chore: revert unintended change

bobleesj · bobleesj · commit cf1679b7fce6 · 2024-12-31T23:23:17.000-05:00
diff --git a/src/diffpy/utils/validators.py b/src/diffpy/utils/validators.py
@@ -23,7 +23,7 @@ def is_number(string):
     True
 
     >>> is_number("007")
-    False
+    True
 
     >>> is_number("five")
     False
