update

Author: jswhit2

src/netCDF4/__init__.pyi

@@ -698,10 +698,21 @@ def stringtoarr(
 @overload
 def stringtochar(
     a: npt.NDArray[np.character],
-    encoding: str | None = None, 
+    encoding: Literal["none", "None", "bytes"],
+    n_strlen: int | None = None,
+) -> npt.NDArray[np.bytes_]: ...
+@overload
+def stringtochar(
+    a: npt.NDArray[np.character],
+    encoding: str | None = None,
     n_strlen: int | None = None,
 ) -> npt.NDArray[np.str_] | npt.NDArray[np.bytes_]: ...
 @overload
+def chartostring(
+    b: npt.NDArray[np.character],
+    encoding: Literal["none", "None", "bytes"] = ...,
+) -> npt.NDArray[np.bytes_]: ...
+@overload
 def chartostring(
     b: npt.NDArray[np.character],
     encoding: str | None = None,