better

Signed-off-by: Jess Frazelle <github@jessfraz.com>

kittycad/models/email_authentication_form.py

@@ -4,7 +4,7 @@ import attr
 
 from ..types import UNSET, Unset
 
-NN = TypeVar("NN", bound="EmailAuthenticationForm")
+HC = TypeVar("HC", bound="EmailAuthenticationForm")
 
 
 @attr.s(auto_attribs=True)
@@ -31,7 +31,7 @@ class EmailAuthenticationForm:
         return field_dict
 
     @classmethod
-    def from_dict(cls: Type[NN], src_dict: Dict[str, Any]) -> NN:
+    def from_dict(cls: Type[HC], src_dict: Dict[str, Any]) -> HC:
         d = src_dict.copy()
         callback_url = d.pop("callback_url", UNSET)