Mark optional arguments as optional

sebastinas · sebastinas · commit f8ce9162bfcc · 2022-02-02T14:46:04.000+01:00
diff --git a/bpython/curtsiesfrontend/interpreter.py b/bpython/curtsiesfrontend/interpreter.py
@@ -1,5 +1,5 @@
 import sys
-from typing import Any, Dict
+from typing import Any, Dict, Optional
 
 from pygments.token import Generic, Token, Keyword, Name, Comment, String
 from pygments.token import Error, Literal, Number, Operator, Punctuation
@@ -60,7 +60,11 @@ def format(self, tokensource, outfile):
 
 
 class Interp(ReplInterpreter):
-    def __init__(self, locals: Dict[str, Any] = None, encoding=None):
+    def __init__(
+        self,
+        locals: Optional[Dict[str, Any]] = None,
+        encoding: Optional[str] = None,
+    ) -> None:
         """Constructor.
 
         We include an argument for the outfile to pass to the formatter for it
diff --git a/bpython/curtsiesfrontend/repl.py b/bpython/curtsiesfrontend/repl.py
@@ -312,10 +312,10 @@ class BaseRepl(Repl):
     def __init__(
         self,
         config: Config,
-        locals_: Dict[str, Any] = None,
-        banner: str = None,
-        interp: code.InteractiveInterpreter = None,
-        orig_tcattrs: List[Any] = None,
+        locals_: Optional[Dict[str, Any]] = None,
+        banner: Optional[str] = None,
+        interp: Optional[code.InteractiveInterpreter] = None,
+        orig_tcattrs: Optional[List[Any]] = None,
     ):
         """
         locals_ is a mapping of locals to pass into the interpreter
