Allow copy_from_local for GoogleCloudStorageResource to retry on Conn…

…ectionError ('Connection aborted')

khiops/core/internals/filesystems.py

@@ -516,7 +516,15 @@ def remove(self):
         self.blob.delete()
 
     def copy_from_local(self, local_path):
-        self.blob.upload_from_filename(local_path)
+        # For a destination object that should not yet exist,
+        # set the if_generation_match precondition to 0.
+        # In this case the retries are enabled for a ConnectionError
+        # otherwise no retry is performed by default
+        generation_match_precondition = 0
+
+        self.blob.upload_from_filename(
+            local_path, if_generation_match=generation_match_precondition
+        )
 
     def copy_to_local(self, local_path):
         self.blob.download_to_filename(local_path)