work

argenta/app/dividing_line/models.py

@@ -0,0 +1,15 @@
+from collections.abc import Sized
+
+
+def check(string: str):
+    if len(string) != 1:
+        raise ValueError
+
+
+class BaseDividingLine:
+    def __init__(self, unit_part: check):
+        self.unit_part = unit_part
+
+
+BaseDividingLine('sygu')
+