[mypy] Fix type annotations for linked_stack.py, evaluate_postfix_notations.py, stack.py in data structures (#4409)

* [mypy] Fix type annotations for linked_stack.py, next_greater_element.py, stack.py

* Reformatted files according to black
This commit is contained in:
Ahmed Haj Abdel Khaleq
2021-05-12 02:22:42 -04:00
committed by GitHub
parent 727341e3db
commit deb71167e7
3 changed files with 11 additions and 4 deletions

View File

@ -1,3 +1,6 @@
from typing import List
class StackOverflowError(BaseException):
pass
@ -12,7 +15,7 @@ class Stack:
"""
def __init__(self, limit: int = 10):
self.stack = []
self.stack: List[int] = []
self.limit = limit
def __bool__(self) -> bool: