fix inconsistent naming

passbook/core/forms/users.py

@@ -0,0 +1,14 @@
+"""passbook core user forms"""
+
+from django import forms
+
+from passbook.core.models import User
+
+
+class UserDetailForm(forms.ModelForm):
+    """Update User Details"""
+
+    class Meta:
+
+        model = User
+        fields = ['username', 'first_name', 'last_name', 'email']