update type hint to fix CI

pandas/core/computation/eval.py

@@ -5,7 +5,7 @@
 """
 
 import tokenize
-from typing import Any, Dict, Iterable, Union
+from typing import Any, Dict, Iterable, List, Optional, Union
 import warnings
 
 import numpy as np
@@ -19,7 +19,7 @@
 from pandas.io.formats.printing import pprint_thing
 
 
-def _check_engine(engine: str) -> str:
+def _check_engine(engine: Optional[str]) -> str:
  """
  Make sure a valid engine is passed.
 
@@ -158,14 +158,15 @@ def _check_for_locals(expr: str, stack_level: int, parser: str) -> None:
  for toknum, tokval in tokenize_string(expr):
  if toknum == tokenize.OP and tokval == '@':
  raise SyntaxError(msg)
+ return None
 
 
 def eval(expr: str,
  parser: str = 'pandas',
  engine: str = None,
  truediv: bool = True,
- local_dict: Dict[str, Any] = None,
- global_dict: Dict[str, Any] = None,
+ local_dict: List[Dict[str, Any]] = None,
+ global_dict: List[Dict[str, Any]] = None,
  resolvers: Iterable = (),
  level: int = 0,
  target: Union[float, np.ndarray, pd.DataFrame, pd.Series] = None,