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: