Remove default arguments

tests.py

@@ -3931,7 +3931,7 @@ def _test_addemoji(base_dir: str):
     if os.path.isdir(path):
         shutil.rmtree(path, ignore_errors=False, onerror=None)
     os.mkdir(path)
-    copytree(base_dir_original + '/emoji', base_dir + '/emoji')
+    copytree(base_dir_original + '/emoji', base_dir + '/emoji', False, None)
     os.chdir(base_dir)
     private_key_pem, public_key_pem, person, wf_endpoint = \
         create_person(base_dir, nickname, domain, port,

theme.py

@@ -76,7 +76,7 @@ def import_theme(base_dir: str, filename: str) -> bool:
     theme_dir = base_dir + '/theme/' + new_theme_name
     if not os.path.isdir(theme_dir):
         os.mkdir(theme_dir)
-    copytree(temp_theme_dir, theme_dir)
+    copytree(temp_theme_dir, theme_dir, False, None)
     if os.path.isdir(temp_theme_dir):
         rmtree(temp_theme_dir, ignore_errors=False, onerror=None)
     if scan_themes_for_scripts(theme_dir):

utils.py

@@ -2948,7 +2948,7 @@ def is_unlisted_post(post_json_object: {}) -> bool:
     return False
 
 
-def copytree(src: str, dst: str, symlinks: str = False, ignore: bool = None):
+def copytree(src: str, dst: str, symlinks: str, ignore: bool):
     """Copy a directory
     """
     for item in os.listdir(src):