diff --git a/pyzipline/rest_adapter.py b/pyzipline/rest_adapter.py
index 143a3a6..04876ec 100644
--- a/pyzipline/rest_adapter.py
+++ b/pyzipline/rest_adapter.py
@@ -68,8 +68,7 @@ class RestAdapter:
             if response.headers.get('Content-Type') == 'application/octet-stream':
                 # If the response contains a valid file, return success Result with file content
                 return Result(success=True, status_code=response.status_code, message=response.reason, data=response.content)
-            else:
-                raise PyZiplineError("Could not decode response from Zipline server") from e
+            raise PyZiplineError("Could not decode response from Zipline server") from e
 
         # If status_code in 200-299 range, return success Result with data, otherwise return failed Result with message
         is_success = 299 >= response.status_code >= 200
diff --git a/pyzipline/zipline.py b/pyzipline/zipline.py
index 58099a9..1834dc8 100644
--- a/pyzipline/zipline.py
+++ b/pyzipline/zipline.py
@@ -272,7 +272,7 @@ class ZiplineApi:
         Returns:
             bytes: The file, in bytes
         """
-        result: Result = self._rest_adapter.get(endpoint=f"auth/image", params={'id': file_id, 'password': password})
+        result: Result = self._rest_adapter.get(endpoint="auth/image", params={'id': file_id, 'password': password})
         if result.status_code == 200:
             return result.data
         if result.message == 'image not found':