Replaced default value of list with [], instead of None

Signed-off-by: Saif Ul Islam <[email protected]>

Author: Rubix982

src/mapillary/controller/detection.py

@@ -30,7 +30,7 @@
 
 
 def get_image_detections_controller(
-    image_id: typing.Union[str, int], fields: list = None
+    image_id: typing.Union[str, int], fields: list = []
 ) -> GeoJSON:
     """
     Get image detections with given (image) key
@@ -60,7 +60,7 @@ def get_image_detections_controller(
 
 
 def get_map_feature_detections_controller(
-    map_feature_id: typing.Union[str, int], fields: list = None
+    map_feature_id: typing.Union[str, int], fields: list = []
 ) -> GeoJSON:
     """
     Get image detections with given (map feature) key

src/mapillary/interface.py

@@ -195,7 +195,7 @@ def get_image_looking_at(
 
 
 @auth()
-def get_detections_with_image_id(image_id: int, fields: list = None):
+def get_detections_with_image_id(image_id: int, fields: list = []):
     """
     Extracting all the detections within an image using an image key
 

src/mapillary/models/api/entities.py

@@ -145,7 +145,7 @@ def fetch_map_feature(
         )
 
     def fetch_detections(
-        self, identity: int, id_type: bool = True, fields: list = None
+        self, identity: int, id_type: bool = True, fields: list = []
     ):
         """
         Fetches detections depending on the id, detections for either map_features or