Fix type annotations

sebastinas · sebastinas · commit 352de3085e2f · 2022-12-03T21:22:12.000+01:00
diff --git a/bpython/cli.py b/bpython/cli.py
@@ -1299,7 +1299,7 @@ def show_list(
         arg_pos: Union[str, int, None],
         topline: Optional[inspection.FuncProps] = None,
         formatter: Optional[Callable] = None,
-        current_item: Union[str, Literal[False]] = None,
+        current_item: Optional[str] = None,
     ) -> None:
         v_items: Collection
         shared = ShowListState()
@@ -1315,7 +1315,7 @@ def show_list(
 
         if items and formatter:
             items = [formatter(x) for x in items]
-            if current_item:
+            if current_item is not None:
                 current_item = formatter(current_item)
 
         if topline:
@@ -1492,8 +1492,10 @@ def tab(self, back: bool = False) -> bool:
 
         # 4. swap current word for a match list item
         elif self.matches_iter.matches:
-            current_match: Union[str, Literal[False]] = (
-                back and self.matches_iter.previous() or next(self.matches_iter)
+            current_match = (
+                self.matches_iter.previous()
+                if back
+                else next(self.matches_iter)
             )
             try:
                 f = None
diff --git a/bpython/translations/__init__.py b/bpython/translations/__init__.py
@@ -2,7 +2,7 @@
 import locale
 import os.path
 import sys
-from typing import cast, List
+from typing import Optional, cast, List
 
 from .. import package_dir
 
@@ -17,7 +17,9 @@ def ngettext(singular, plural, n):
     return translator.ngettext(singular, plural, n)
 
 
-def init(locale_dir: str = None, languages: List[str] = None) -> None:
+def init(
+    locale_dir: Optional[str] = None, languages: Optional[List[str]] = None
+) -> None:
     try:
         locale.setlocale(locale.LC_ALL, "")
     except locale.Error:
