obey mypy

Signed-off-by: Niv Sardi <xaiki@evilgiggle.com>

python/common/mkdir.py

@@ -1,6 +1,7 @@
 import pathlib
+from typing import List
 
-def make_dirs(dirs: [str]):
+def make_dirs(dirs: List[str]):
     for p in dirs:
         pathlib.Path(p).mkdir(parents=True, exist_ok=True)
 

python/imtool.py

@@ -4,7 +4,7 @@ import os
 import math
 import cv2
 import numpy as np
-from typing import NamedTuple
+from typing import NamedTuple, Tuple
 
 from entity import Entity
 from common import mkdir
@@ -92,7 +92,7 @@ def coord_to_point(cx, cy, cw, ch):
 def floor_point(x: float, y: float):
     return (math.floor(x), math.floor(y))
 
-def cut_img(im, s: (float, float), e: (float, float)):
+def cut_img(im, s: Tuple[float, float], e: Tuple[float, float]):
     x = s[0]
     y = s[1]
     w = e[0] - x