[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

mypyc/irbuild/builder.py

@@ -991,7 +991,7 @@ def get_sequence_type_from_type(self, target_type: Type) -> RType:
             return self.get_sequence_type_from_type(target_type.upper_bound)
         elif isinstance(target_type, TupleType):
             items = target_type.items
-            assert items, f"This function does not support empty tuples"
+            assert items, "This function does not support empty tuples"
             # Tuple might have elements of different types.
             rtypes = set(map(self.mapper.type_to_rtype, items))
             if len(rtypes) == 1: