diff --git a/actions/ed.py b/actions/ed.py
index dbff62a0a..a023722be 100644
--- a/actions/ed.py
+++ b/actions/ed.py
@@ -57,8 +57,8 @@ def ed_search_plus(self):
         try:
             if self.search_plus is not None:         
                 self.search_plus.dlg.setVisible(True)             
-        except RuntimeError as e:
-            print "Error ed_search_plus: "+str(e)
+        except RuntimeError :
+            pass
             
                 
     def ed_check(self):
diff --git a/actions/mg.py b/actions/mg.py
index 776ded1a8..893c2743b 100644
--- a/actions/mg.py
+++ b/actions/mg.py
@@ -93,9 +93,7 @@ def mg_arc_topo_repair_accept(self):
             sql = "SELECT "+self.schema_name+".gw_fct_anl_node_sink();"  
             self.controller.execute_sql(sql) 
          
-        # Show message and close the dialog    
-        #message = "Selected functions have been executed"
-        #self.controller.show_info(message, context_name='ui_message') 
+        # Close the dialog    
         self.close_dialog()         
             
         # Refresh map canvas
@@ -320,9 +318,7 @@ def mg_go2epa_accept(self):
         self.gsw_settings.setValue('FILE_RPT', self.file_rpt)
         self.gsw_settings.setValue('PROJECT_NAME', self.project_name)
                 
-        # Show message and close form
-#         message = "Values has been updated"
-#         self.controller.show_info(message, context_name='ui_message') 
+        # Close form
         self.close_dialog(self.dlg)    
                 
                     
@@ -550,7 +546,7 @@ def mg_change_elem_type_accept(self):
         message = "Node type has been update!"
         self.controller.show_info(message, context_name='ui_message' ) 
         
-        # Close dialog
+        # Close form
         self.close_dialog()
                 
                    
diff --git a/controller.py b/controller.py
index 4c133ead3..45ba572c5 100644
--- a/controller.py
+++ b/controller.py
@@ -52,12 +52,9 @@ def check_action(self, check=True, index=1):
         key = index
         if type(index) is int:
             key = str(index).zfill(2)
-        print key
         if key in self.actions:
             action = self.actions[key]
-            action.setChecked(check)  
-        else:
-            print "not found: "+str(index)          
+            action.setChecked(check)          
                 
     
     def set_database_connection(self):
diff --git a/giswater.py b/giswater.py
index d774e63be..09463e29b 100644
--- a/giswater.py
+++ b/giswater.py
@@ -512,8 +512,6 @@ def set_map_tool(self, map_tool_name):
             map_tool.set_controller(self.controller)
             if map_tool_name == 'mg_extract_raster_value':
                 map_tool.set_config_action(self.actions['99'])                
-        else:
-            print "key not found: "+map_tool_name
                 
     
     def set_search_plus(self):
@@ -576,10 +574,10 @@ def current_layer_changed(self, layer):
                         index_action = str(list_index_action)
                         if index_action != '-1' and str(index_action) in self.actions:
                             self.actions[index_action].setEnabled(True)                
-            except AttributeError, e:
-                print "current_layer_changed: "+str(e)
-            except KeyError, e:
-                print "current_layer_changed: "+str(e)
+            except AttributeError:
+                pass
+            except KeyError:
+                pass
                         
     
     def custom_enable_actions(self):
diff --git a/map_tools/connec.py b/map_tools/connec.py
index 2291d831f..e34fc886f 100644
--- a/map_tools/connec.py
+++ b/map_tools/connec.py
@@ -76,7 +76,6 @@ def canvasMoveEvent(self, event):
         
         # Plugin reloader bug, MapTool should be deactivated
         if not hasattr(Qt, 'LeftButton'):
-            print "Plugin loader bug"
             self.iface.actionPan().trigger()
             return
         
@@ -100,7 +99,7 @@ def canvasMoveEvent(self, event):
             eventPoint = QPoint(x, y)
 
             # Snapping
-            (retval, result) = self.snapper.snapToBackgroundLayers(eventPoint)  # @UnusedVariable
+            (retval, result) = self.snapper.snapToBackgroundLayers(eventPoint)  #@UnusedVariable
 
             # That's the snapped point
             if result <> []:
@@ -120,7 +119,7 @@ def canvasMoveEvent(self, event):
                         break
 
 
-    def canvasPressEvent(self, event):
+    def canvasPressEvent(self, event):   #@UnusedVariable
 
         self.selectRect.setRect(0, 0, 0, 0)
         self.rubberBand.reset()
diff --git a/map_tools/delete_node.py b/map_tools/delete_node.py
index 57925e6d8..257086b13 100644
--- a/map_tools/delete_node.py
+++ b/map_tools/delete_node.py
@@ -58,8 +58,7 @@ def canvasMoveEvent(self, event):
         # Plugin reloader bug, MapTool should be deactivated
         try:
             eventPoint = QPoint(x, y)
-        except(TypeError,KeyError) as e:
-            print "Plugin loader bug"
+        except(TypeError,KeyError):
             self.iface.actionPan().trigger()
             return
 
@@ -106,11 +105,8 @@ def canvasReleaseEvent(self, event):
 
                     if snapPoint.layer.name() == self.layer_node.name():
                         # Get the point
-                        point = QgsPoint(result[0].snappedVertex)
-
-                        snappFeat = next(
-                            result[0].layer.getFeatures(QgsFeatureRequest().setFilterFid(result[0].snappedAtGeometry)))
-
+                        point = QgsPoint(result[0].snappedVertex)   #@UnusedVariable
+                        snappFeat = next(result[0].layer.getFeatures(QgsFeatureRequest().setFilterFid(result[0].snappedAtGeometry)))
                         break
 
             if snappFeat is not None:
diff --git a/map_tools/extract_raster_value.py b/map_tools/extract_raster_value.py
index 231e59a67..085f67a4a 100644
--- a/map_tools/extract_raster_value.py
+++ b/map_tools/extract_raster_value.py
@@ -84,10 +84,8 @@ def canvasMoveEvent(self, event):
         if self.vectorLayer is None:
             return
         
-        
         # Plugin reloader bug, MapTool should be deactivated
         if not hasattr(Qt, 'LeftButton'):
-            print "Plugin loader bug"
             self.iface.actionPan().trigger()
             return
         
@@ -132,7 +130,7 @@ def canvasMoveEvent(self, event):
                         break
 
 
-    def canvasPressEvent(self, event):
+    def canvasPressEvent(self, event):   #@UnusedVariable
 
         self.selectRect.setRect(0, 0, 0, 0)
         self.rubberBand.reset()
diff --git a/map_tools/flow_trace_flow_exit.py b/map_tools/flow_trace_flow_exit.py
index c1ce67d9c..e37ed9244 100644
--- a/map_tools/flow_trace_flow_exit.py
+++ b/map_tools/flow_trace_flow_exit.py
@@ -57,17 +57,14 @@ def canvasMoveEvent(self, event):
         # Get the click
         x = event.pos().x()
         y = event.pos().y()
-        
 
         # Plugin reloader bug, MapTool should be deactivated
         try:
             eventPoint = QPoint(x, y)
-        except(TypeError,KeyError) as e:
-            print "Plugin loader bug"
+        except(TypeError,KeyError):
             self.iface.actionPan().trigger()
             return
         
-        
         # Snapping        
         (retval,result) = self.snapper.snapToBackgroundLayers(eventPoint)   #@UnusedVariable   
         self.current_layer = None
@@ -102,6 +99,7 @@ def canvasMoveEvent(self, event):
 
     def canvasReleaseEvent(self, event):
         ''' With left click the digitizing is finished '''
+        
         if event.button() == Qt.LeftButton and self.current_layer is not None:
 
             # Get selected layer type: 'node'
@@ -120,12 +118,10 @@ def canvasReleaseEvent(self, event):
                 function_name = "gw_fct_flow_trace"
                 sql = "SELECT "+self.schema_name+"."+function_name+"('"+str(elem_id)+"');"
                 result = self.controller.execute_sql(sql)
-                print sql
             else:
                 function_name = "gw_fct_flow_exit"
                 sql = "SELECT "+self.schema_name+"."+function_name+"('"+str(elem_id)+"');"
                 result = self.controller.execute_sql(sql)
-                print sql
 
             if result:
                 # Get 'arc' and 'node' list and select them
diff --git a/map_tools/line.py b/map_tools/line.py
index fd1e60f7e..a5ca377f7 100644
--- a/map_tools/line.py
+++ b/map_tools/line.py
@@ -313,11 +313,9 @@ def sendGeometry(self):
         
     def createFeature(self, geom):
 
-        # layer = self.canvas.currentLayer()
         layer = self.iface.activeLayer()        
         provider = layer.dataProvider()
         f = QgsFeature()
-    	
         if (geom.isGeosValid()):
             f.setGeometry(geom)
         else:
@@ -328,7 +326,6 @@ def createFeature(self, geom):
                 f.setGeometry(geom)
             else:
                 return False
-				
       
         # Add attribute fields to feature.
         fields = layer.pendingFields()
diff --git a/map_tools/mincut.py b/map_tools/mincut.py
index 8dbe66e84..ab88fa67a 100644
--- a/map_tools/mincut.py
+++ b/map_tools/mincut.py
@@ -61,8 +61,7 @@ def canvasMoveEvent(self, event):
         # Plugin reloader bug, MapTool should be deactivated
         try:
             eventPoint = QPoint(x, y)
-        except(TypeError,KeyError) as e:
-            print "Plugin loader bug"
+        except(TypeError,KeyError):
             self.iface.actionPan().trigger()
             return
         
@@ -120,7 +119,6 @@ def canvasReleaseEvent(self, event):
             function_name = "gw_fct_mincut"
             sql = "SELECT "+self.schema_name+"."+function_name+"('"+str(elem_id)+"', '"+elem_type+"');"
             result = self.controller.execute_sql(sql)
-            print sql
             if result:
                 # Get 'arc' and 'node' list and select them
                 self.mg_flow_trace_select_features(self.layer_arc, 'arc')
diff --git a/map_tools/move_node.py b/map_tools/move_node.py
index 20a8b8a88..35d267e0f 100644
--- a/map_tools/move_node.py
+++ b/map_tools/move_node.py
@@ -165,8 +165,7 @@ def canvasMoveEvent(self, event):
         # Plugin reloader bug, MapTool should be deactivated
         try:
             eventPoint = QPoint(x, y)
-        except(TypeError,KeyError) as e:
-            print "Plugin loader bug"
+        except(TypeError,KeyError):
             self.iface.actionPan().trigger()
             return
 
diff --git a/parent_init.py b/parent_init.py
index 3a7cdebf8..bb55b1e06 100644
--- a/parent_init.py
+++ b/parent_init.py
@@ -10,7 +10,7 @@
 import sys  
 
 import utils_giswater
-from controller import DaoController
+from controller import DaoController   #@UnresolvedImport
         
         
 class ParentDialog(object):   
diff --git a/search/search_plus.py b/search/search_plus.py
index f06d08c6d..a544aca7b 100644
--- a/search/search_plus.py
+++ b/search/search_plus.py
@@ -146,26 +146,22 @@ def populate_dialog(self):
         status = self.populate_combo('hydrometer_layer', self.dlg.hydrometer_code, 
                                      self.params['hydrometer_field_urban_propierties_code'], self.params['hydrometer_field_code'])
         if not status:
-            #print "Error populating Tab 'Hydrometer'"
             self.dlg.tab_main.removeTab(3)
                  
         # Tab 'Address'      
         status = self.address_populate('street_layer')
         if not status:
-            #print "Error populating Tab 'Address'"   
             self.dlg.tab_main.removeTab(2)                       
         
         # Tab 'Ppoint'      
         status = self.populate_combo('ppoint_layer', self.dlg.ppoint_field_zone, self.params['ppoint_field_zone'])
         status_2 = self.populate_combo('ppoint_layer', self.dlg.ppoint_number, self.params['ppoint_field_number'])
         if not status or not status_2:
-            #print "Error populating Tab 'Ppoint'"
             self.dlg.tab_main.removeTab(1)              
               
         # Tab 'Urban Properties'      
         status = self.urban_populate('urban_propierties_layer')
         if not status:
-            #print "Error populating Tab 'Urban Properties'"
             self.dlg.tab_main.removeTab(0)              
             
         return True
@@ -175,9 +171,7 @@ def address_populate(self, parameter):
         ''' Populate combo 'address_street' '''
         
         # Check if we have this search option available
-        if not parameter in self.layers:
-            #message = "Layer '{}' not found in parameter '{}'".format(self.params[parameter], parameter)  
-            #print message          
+        if not parameter in self.layers:       
             return False
 
         # Get layer features
@@ -215,8 +209,7 @@ def address_get_numbers(self):
                            
         # get selected street
         selected = self.dlg.adress_street.currentText()
-        if selected == '':
-            print "Any record selected"            
+        if selected == '':          
             return
         
         # get street code
@@ -271,8 +264,7 @@ def address_zoom_street(self):
         
         # Get selected street
         selected = self.dlg.adress_street.currentText()
-        if selected == '':
-            print "Any record selected"            
+        if selected == '':         
             return
 
         data = self.dlg.adress_street.itemData(self.dlg.adress_street.currentIndex())
@@ -298,7 +290,6 @@ def address_zoom_portal(self):
         street = self.dlg.adress_street.currentText()
         civic = self.dlg.adress_number.currentText()
         if street == '' or civic == '':
-            print "Any record selected"
             return  
                 
         # Get selected portal
@@ -346,7 +337,6 @@ def generic_zoom(self, fieldname, combo, field_index=0):
         # Get selected element from combo    
         element = combo.currentText()
         if element.strip() == '':
-            print "Any record selected"
             return None
                 
         elem = combo.itemData(combo.currentIndex())
@@ -583,8 +573,6 @@ def populate_combo(self, parameter, combo, fieldname, fieldname_2=None):
         
         # Check if we have this search option available
         if not parameter in self.layers:
-            message = "Layer '{}' not found in parameter '{}'".format(self.params[parameter], parameter)  
-            print(message)    
             return False
 
         # Fields management
diff --git a/ud_arc_init.py b/ud_arc_init.py
index d05c19a41..4d7c95f08 100644
--- a/ud_arc_init.py
+++ b/ud_arc_init.py
@@ -48,9 +48,6 @@ def init_config_form(self):
         # Manage i18n
         self.translate_form(context_name)        
     
-        # Load data from related tables
-        #self.load_data()
-		
         #Set layer in editing mode
         self.layer.startEditing()		
         
diff --git a/ud_connec_init.py b/ud_connec_init.py
index cbab060af..43a33c4d4 100644
--- a/ud_connec_init.py
+++ b/ud_connec_init.py
@@ -48,10 +48,7 @@ def init_config_form(self):
         # Manage i18n
         self.translate_form(context_name)        
         
-        # Load data from related tables
-        #self.load_data()
-		
-		#Set layer in editing mode
+        #Set layer in editing mode
         self.layer.startEditing()	
 
         # Fill the info table
diff --git a/ud_gully_init.py b/ud_gully_init.py
index 1c9a7648c..590b19b44 100644
--- a/ud_gully_init.py
+++ b/ud_gully_init.py
@@ -50,10 +50,7 @@ def init_config_form(self):
         # Manage i18n
         self.translate_form(context_name)        
         
-        # Load data from related tables
-        #self.load_data()
-		
-		#Set layer in editing mode
+        # Set layer in editing mode
         self.layer.startEditing()	
         
         # Fill the info table
diff --git a/ud_node_init.py b/ud_node_init.py
index 77347752c..eb0b9f351 100644
--- a/ud_node_init.py
+++ b/ud_node_init.py
@@ -48,10 +48,7 @@ def init_config_form(self):
         # Manage i18n
         self.translate_form(context_name)        
         
-        # Load data from related tables
-        #self.load_data()
-	
-	    #Set layer in editing mode
+        # Set layer in editing mode
         self.layer.startEditing()	
         
         # Fill the info table
diff --git a/utils_giswater.py b/utils_giswater.py
index d4246aa4d..8927ab4c8 100644
--- a/utils_giswater.py
+++ b/utils_giswater.py
@@ -31,7 +31,6 @@ def fillComboBoxDict(widget, dict_object, dict_field, allow_nulls=True):
     if type(widget) is str:
         widget = _dialog.findChild(QComboBox, widget)    
     if widget is None:
-        print "Combo not found: "+str(widget)
         return None
 
     # Populate combo with values stored in dictionary variable
@@ -54,8 +53,7 @@ def getText(widget):
         if type(widget) is QLineEdit or type(widget) is QDoubleSpinBox:
             text = widget.text()
         elif type(widget) is QTextEdit:
-            text = widget.toPlainText()    
-            print text                
+            text = widget.toPlainText()                 
         if text:
             elem_text = text
         else:
diff --git a/ws_arc_init.py b/ws_arc_init.py
index 2bf383945..bc7005341 100644
--- a/ws_arc_init.py
+++ b/ws_arc_init.py
@@ -84,8 +84,8 @@ def init_config_form(self):
       
         # Load data from related tables
         self.load_data()
-		
-        #Set layer in editing mode
+
+        # Set layer in editing mode
         self.layer.startEditing()	
         
         # Fill the info table
diff --git a/ws_connec_init.py b/ws_connec_init.py
index 1bea7fd81..a31c222e5 100644
--- a/ws_connec_init.py
+++ b/ws_connec_init.py
@@ -87,8 +87,8 @@ def init_config_form(self):
         
         # Load data from related tables
         self.load_data()
-		
-        #Set layer in editing mode
+
+        # Set layer in editing mode
         self.layer.startEditing()	
         
         # Fill the info table
@@ -295,8 +295,7 @@ def update_sum(self):
             self.tbl_dae_2.model().select()
         else:
             self.tbl_dae_2.model().database().rollback()
-            error = self.tbl_dae_2.model().lastError()
-            print str(error.text())  
             
         self.save()
+        
     
\ No newline at end of file
diff --git a/ws_node_init.py b/ws_node_init.py
index 672fe0cd1..8a20829c3 100644
--- a/ws_node_init.py
+++ b/ws_node_init.py
@@ -87,8 +87,8 @@ def init_config_form(self):
 
         # Load data from related tables
         self.load_data()
-		
-        #Set layer in editing mode
+
+        # Set layer in editing mode
         self.layer.startEditing()	
 
         # Fill the info table