diff --git a/src/actinia_core/core/common/process_chain.py b/src/actinia_core/core/common/process_chain.py
index 69b263a49..b8b4f7180 100644
--- a/src/actinia_core/core/common/process_chain.py
+++ b/src/actinia_core/core/common/process_chain.py
@@ -590,10 +590,10 @@ def generate_temp_file_path(self):
         )
 
     def _create_module_process(self, module_descr):
-        """Analyse a grass process description dict and create a Process
+        """Analyse a grass process description dict and create a process
         that is used to execute a GRASS GIS binary.
 
-        - Identify the required mapsets from the input definition and stores
+        - Identify the required mapsets from the input definition and store
           them in a list.
         - Identify input and output options
         - Add export options to the export list
@@ -675,7 +675,9 @@ def _create_module_process(self, module_descr):
                     "parameters for %s" % module_name
                 )
 
-        if module_name != "importer" and module_name != "exporter":
+        if (
+            module_name != "importer" and module_name != "exporter"
+        ) or params == ["--interface-description"]:
             p = Process(
                 exec_type="grass",
                 executable=module_name,
@@ -685,7 +687,6 @@ def _create_module_process(self, module_descr):
             )
 
             self.process_dict[id] = p
-
             return p
 
         return None
diff --git a/src/actinia_core/processing/actinia_processing/ephemeral_processing.py b/src/actinia_core/processing/actinia_processing/ephemeral_processing.py
index 832603ba3..8c32e8bc7 100644
--- a/src/actinia_core/processing/actinia_processing/ephemeral_processing.py
+++ b/src/actinia_core/processing/actinia_processing/ephemeral_processing.py
@@ -75,11 +75,10 @@
 
 
 class EphemeralProcessing(object):
-    """
-    This class processes GRASS data on the local machine in an temporary
+    """This class processes GRASS data on the local machine in a temporary
     mapset.
 
-    The temporary mapset will be removed by this class when the processing
+    The temporary mapset will be removed by this class when the processing is
     finished
 
     Creating the temporary database and mapset:
@@ -92,7 +91,7 @@ class EphemeralProcessing(object):
 
        e.g: /tmp/soeren_temp_gisdbase/ECAD
 
-    3. Softlink the PERMANENT and all required mapsets into the,
+    3. Softlink the PERMANENT and all required mapsets into the
        new location directory from the original location,
        check the input parameter of the module for which mapsets must be linked
 
@@ -102,7 +101,7 @@ class EphemeralProcessing(object):
         -> /tmp/soeren_temp_gisdbase/ECAD/Temperature
 
     4. Set the GRASS GIS environmental variables to point to the new gisdbase,
-       location and PERMANENT maspet
+       location and PERMANENT mapset
 
     5. Create a new mapset with g.mapset in the temporary location directory
 
@@ -470,8 +469,9 @@ def _send_to_database(self, document, final=False):
 
     def _post_to_webhook(self, document, type):
         """Helper method to send a post request to a webhook.
-        The finished webhook will be retried until it is reached of the number
-        of tries is WEBHOOK_RETRIES which can be set in the config.
+        The finished webhook will be retried until it has reached the number
+        of tries. The number of tries is WEBHOOK_RETRIES which can be set in the
+        config.
 
         Args:
             document (str): The response document
@@ -698,7 +698,7 @@ def _setup(self, init_grass=True):
         - Create the resource and message logger
         - Create the redis lock interface for resource locking
         - Set cell limit, process number limit and process time limit from user
-          c redentials.
+          credentials.
         - Create all required paths to original and temporary location and
           mapsets.
             - temp_location_path
@@ -1887,7 +1887,7 @@ def _final_cleanup(self):
 
     def run(self):
         """This function will run the processing and will catch and process
-        any Exceptions that were raised while processing. Call this function to
+        any exceptions that were raised while processing. Call this function to
         run the processing.
 
         You have to implement/overwrite two methods that are called here: