refactor(fallback): move TradeForm into forms module

shiftregister/fallback/forms.py

@@ -0,0 +1,10 @@
+from django import forms
+
+
+class TradeForm(forms.Form):
+    assignment_id = forms.IntegerField(
+        widget=forms.NumberInput(attrs={"class": "input", "placeholder": "Schicht-ID"})
+    )
+    pin = forms.IntegerField(
+        widget=forms.PasswordInput(attrs={"class": "input", "placeholder": "Deine PIN"})
+    )

shiftregister/fallback/views.py

@@ -1,6 +1,5 @@
 from base64 import urlsafe_b64decode
 
-from django import forms
 from django.contrib import messages
 from django.contrib.auth.decorators import login_required
 from django.db.models import Count, Q
@@ -8,16 +7,8 @@ from django.http import HttpResponse
 from django.shortcuts import get_object_or_404, redirect, render
 from django.urls import reverse
 
-from shiftregister.fallback.models import FallbackAssignment, TeamMember
-
-
-class TradeForm(forms.Form):
-    assignment_id = forms.IntegerField(
-        widget=forms.NumberInput(attrs={"class": "input", "placeholder": "Schicht-ID"})
-    )
-    pin = forms.IntegerField(
-        widget=forms.PasswordInput(attrs={"class": "input", "placeholder": "Deine PIN"})
-    )
+from .forms import TradeForm
+from .models import FallbackAssignment, TeamMember
 
 
 def my_fallback_shifts(request, team_member_id):