autotest: flake8 warning fixes

Tools/autotest/arducopter.py

@@ -3961,7 +3961,7 @@ class AutoTestCopter(AutoTest):
 
         if not (m.type_mask == (target_typemask | MAV_POS_TARGET_TYPE_MASK.LAST_BYTE) or m.type_mask == target_typemask):
             raise NotAchievedException("Did not receive proper mask: expected=%u or %u, got=%u" %
-                  ((target_typemask | MAV_POS_TARGET_TYPE_MASK.LAST_BYTE), target_typemask, m.type_mask))
+                                       ((target_typemask | MAV_POS_TARGET_TYPE_MASK.LAST_BYTE), target_typemask, m.type_mask))
 
         if x - m.x > 0.1:
             raise NotAchievedException("Did not receive proper target position x: wanted=%f got=%f" % (x, m.x))
@@ -4012,7 +4012,7 @@ class AutoTestCopter(AutoTest):
         # Check the last received message
         if not (m.type_mask == (target_typemask | MAV_POS_TARGET_TYPE_MASK.LAST_BYTE) or m.type_mask == target_typemask):
             raise NotAchievedException("Did not receive proper mask: expected=%u or %u, got=%u" %
-                  ((target_typemask | MAV_POS_TARGET_TYPE_MASK.LAST_BYTE), target_typemask, m.type_mask))
+                                       ((target_typemask | MAV_POS_TARGET_TYPE_MASK.LAST_BYTE), target_typemask, m.type_mask))
 
         if vx - m.vx > 0.1:
             raise NotAchievedException("Did not receive proper target velocity vx: wanted=%f got=%f" % (vx, m.vx))