fix flake8 error (#646)

This checks the type of variables via isinstance instead of type ==, allowing for inheritance and making tox happy

providers/base/bin/accelerometer_test.py

@@ -169,7 +169,7 @@ def direction_poll(self, x_axis, y_axis):
         for mapping, data in direction_map.items():
             reading = self.parse_reading(int(data), mapping)
 
-            if type(reading) == int:
+            if isinstance(reading, int):
                 return reading, mapping
 
         # Return nothing if threshold is not met
@@ -180,7 +180,7 @@ def run(self):
         while len(rem_tests) > 0:
             axis_data_bundle = self.grab_current_readings()
 
-            if type(axis_data_bundle) != list:
+            if not isinstance(axis_data_bundle, list):
                 logging.error("Failed to grab appropriate readings")
                 return 1
 

providers/base/bin/hotkey_tests.py

@@ -372,7 +372,7 @@ def press_key(self, key_code, modifiers=set(), repetitions=1, delay=0.05):
         while repetitions:
             if not modifiers.issubset({'alt', 'ctrl', 'shift', 'meta'}):
                 raise SystemExit('Unknown modifier')
-            if type(key_code) == KeyCodes:
+            if isinstance(key_code, KeyCodes):
                 key_code = key_code.value
             data = bytes()
             data += self.event_struct.pack(0, 0, 4, 4, key_code)

providers/base/bin/key_test.py

@@ -165,7 +165,7 @@ def on_key(self, source, cb_condition):
                 # Check for ESC key pressed
                 self.show_text(_("Test cancelled"))
                 self.quit()
-            elif 1 < code < 10 and type(self) == CLIReporter:
+            elif 1 < code < 10 and isinstance(self, CLIReporter):
                 # Check for number to skip
                 self.toggle_key(self.keys[code - 2])
             else: