fix file copy (#189)

* fixed building cdn path for file copy
uploadcare · Oct 28, 2021 · eb484f6 · eb484f6
1 parent bf651ee
commit eb484f6
Showing 1 changed file with 6 additions and 4 deletions.
diff --git a/pyuploadcare/resources/file.py b/pyuploadcare/resources/file.py
@@ -87,14 +87,16 @@ def __repr__(self):
     def __str__(self):
         return self.cdn_url
 
-    def set_effects(self, effects: Union[str, ImageTransformation]) -> None:
-        self.default_effects = str(effects)
+    def set_effects(
+        self, effects: Optional[Union[str, ImageTransformation]] = None
+    ) -> None:
+        effects = str(effects) if effects else ""
+        self.default_effects = effects
 
     def _build_effects(
         self, effects: Optional[Union[str, ImageTransformation]] = None
     ):
-        effects = str(effects)
-
+        effects = str(effects) if effects else ""
         if self.default_effects is not None:
             effects = (
                 f"{self.default_effects}-/{effects}"