Fix other bugs introduced in the shuffle

3 files changed, 22 insertions, 5 deletions

diff --git a/natsort/__main__.py b/natsort/__main__.py
index a91e08a..d29ab14 100644
--- a/natsort/__main__.py
+++ b/natsort/__main__.py
@@ -27,6 +27,25 @@ class TypedArgs(argparse.Namespace):
     locale: bool
     entries: List[str]
 
+    def __init__(
+        self,
+        filter: Optional[List[NumPair]] = None,
+        reverse_filter: Optional[List[NumPair]] = None,
+        exclude: Optional[List[Num]] = None,
+        paths: bool = False,
+        reverse: bool = False,
+    ) -> None:
+        """Used by testing only"""
+        self.filter = filter
+        self.reverse_filter = reverse_filter
+        self.exclude = [] if exclude is None else exclude
+        self.paths = paths
+        self.reverse = reverse
+        self.number_type = "int"
+        self.signed = False
+        self.exp = True
+        self.locale = False
+
 
 def main(*arguments: str) -> None:
     """
diff --git a/natsort/natsort.py b/natsort/natsort.py
index 2804630..e3a6b95 100644
--- a/natsort/natsort.py
+++ b/natsort/natsort.py
@@ -25,14 +25,12 @@ from typing import (
 
 import natsort.compat.locale
 from natsort import utils
-from natsort.compat.locale import StrOrBytes
-from natsort.ns_enum import NS_DUMB, NSType, ns
+from natsort.ns_enum import NSType, NS_DUMB, ns
 from natsort.utils import (
     KeyType,
     MaybeKeyType,
     NatsortInType,
     NatsortOutType,
-    PathArg,
     StrBytesNum,
     StrBytesPathNum,
 )
@@ -606,7 +604,7 @@ def index_natsorted(
 
     """
     newkey: KeyType
-    if key is not None:
+    if key is None:
         newkey = itemgetter(1)
     else:
 
diff --git a/natsort/utils.py b/natsort/utils.py
index 38b11b1..df02eac 100644
--- a/natsort/utils.py
+++ b/natsort/utils.py
@@ -67,7 +67,7 @@ from natsort.compat.locale import (
     get_strxfrm,
     get_thousands_sep,
 )
-from natsort.ns_enum import NS_DUMB, NSType, ns
+from natsort.ns_enum import NSType, NS_DUMB, ns
 from natsort.unicode_numbers import digits_no_decimals, numeric_no_decimals
 
 #