py2-3 compatibility. Requests throws ValueError on json decoding errors

sevenbridges/decorators.py

@@ -68,7 +68,7 @@ def wrapper(*args, **kwargs):
             raise e
         except requests.RequestException as e:
             raise SbgError(message=str(e))
-        except json.JSONDecodeError as e:
+        except ValueError as e:
             raise SbgError(message=str(e))
 
     return wrapper