fix: resolve linter warning

Author: evansims

openfga_sdk/credentials.py

@@ -171,7 +171,7 @@ def _parse_issuer(self, issuer: str):
             raise ApiValueError(e)
 
         if parsed_url.netloc is None and parsed_url.path is None:
-            raise ApiValueError(f"Invalid issuer")
+            raise ApiValueError("Invalid issuer")
 
         if parsed_url.scheme == "":
             parsed_url = urlparse(f"https://{issuer}")