diff --git a/synapse/util/patch_inline_callbacks.py b/synapse/util/patch_inline_callbacks.py
index 72574d3af2..d9f9ae99d6 100644
--- a/synapse/util/patch_inline_callbacks.py
+++ b/synapse/util/patch_inline_callbacks.py
@@ -204,16 +204,13 @@ def _check_yield_points(f: Callable, changes: List[str]):
# We don't raise here as its perfectly valid for contexts to
# change in a function, as long as it sets the correct context
# on resolving (which is checked separately).
- err = (
- "%s changed context from %s to %s, happened between lines %d and %d in %s"
- % (
- frame.f_code.co_name,
- expected_context,
- current_context(),
- last_yield_line_no,
- frame.f_lineno,
- frame.f_code.co_filename,
- )
+ err = "%s changed context from %s to %s, happened between lines %d and %d in %s" % (
+ frame.f_code.co_name,
+ expected_context,
+ current_context(),
+ last_yield_line_no,
+ frame.f_lineno,
+ frame.f_code.co_filename,
)
changes.append(err)
|
