Random cleanups and type safety. Created ml subdir.

1 files changed, 6 insertions, 2 deletions

diff --git a/string_utils.py b/string_utils.py
index 740a0b9..911008d 100644
--- a/string_utils.py
+++ b/string_utils.py
@@ -225,10 +225,14 @@ def strip_escape_sequences(in_str: str) -> str:
     return in_str
 
 
-def add_thousands_separator(in_str: str, *, separator_char = ',', places = 3) -> str:
+def add_thousands_separator(
+        in_str: str,
+        *,
+        separator_char = ',',
+        places = 3
+) -> str:
     if isinstance(in_str, int):
         in_str = f'{in_str}'
-
     if is_number(in_str):
         return _add_thousands_separator(
             in_str,