We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
FieldError: Cannot resolve keyword 'pizza_event' into field. Choices are: food_event, food_event_id, id, memb...
Sentry Issue: [CONCREXIT-6G](https://sentry.io/organizations/thalia/issues/2468308255/?referrer=github_integration)

```
FieldError: Cannot resolve keyword 'pizza_event' into field. Choices are: food_event, food_event_id, id, member, member_id, name, payment, payment_id, product, product_id
(9 additional frame(s) were not displayed)
...
  File "django/db/models/sql/query.py", line 1391, in add_q
    clause, _ = self._add_q(q_object, self.used_aliases)
  File "django/db/models/sql/query.py", line 1410, in _add_q
    child_clause, needed_inner = self.build_filter(
  File "django/db/models/sql/query.py", line 1284, in build_filter
    lookups, parts, reffed_expression = self.solve_lookup_type(arg)
  File "django/db/models/sql/query.py", line 1110, in solve_lookup_type
    _, field, _, lookup_parts = self.names_to_path(lookup_splitted, self.get_meta())
  File "django/db/models/sql/query.py", line 1537, in names_to_path
    raise FieldError("Cannot resolve keyword '%s' into field. "
```

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `website/pizzas/services.py`
Content:
```
1 from events.services import is_organiser
2 from .models import Product, FoodOrder, FoodEvent
3 
4 
5 def gen_stats_pizza_orders():
6     """Generate statistics about number of orders per product.
7 
8     :return: Dict with key, value being resp. name, order count of a product.
9     """
10     total = {}
11 
12     for product in Product.objects.all():
13         total.update(
14             {product.name: FoodOrder.objects.filter(product=product).count(),}
15         )
16 
17     return {
18         i[0]: i[1]
19         for i in sorted(total.items(), key=lambda x: x[1], reverse=True)[:5]
20         if i[1] > 0
21     }
22 
23 
24 def gen_stats_current_pizza_orders():
25     """Generate statistics about number of orders per product of the active pizza event.
26 
27     :return: Dict with key, value being resp. name, order count of a product.
28     """
29     total = {}
30 
31     current_pizza_event = FoodEvent.current()
32     if not current_pizza_event:
33         return None
34 
35     for product in Product.objects.filter():
36         total.update(
37             {
38                 product.name: FoodOrder.objects.filter(
39                     product=product, pizza_event=current_pizza_event,
40                 ).count(),
41             }
42         )
43 
44     return {
45         i[0]: i[1]
46         for i in sorted(total.items(), key=lambda x: x[1], reverse=True)[:5]
47         if i[1] > 0
48     }
49 
50 
51 def can_change_order(member, food_event):
52     """Determine if a certain member can edit orders of an event.
53 
54     :param member: Member who wants to change and order
55     :param food_event: The event for which we want to change an order
56     :return: True if we can change an order else False
57     """
58     return (
59         food_event
60         and member.has_perm("pizzas.change_foodorder")
61         and is_organiser(member, food_event.event)
62     )
63
```

Path: `website/pizzas/views.py`
Content:
```
1 """Views provided by the pizzas package."""
2 from django.contrib import messages
3 from django.contrib.auth.decorators import login_required
4 from django.http import Http404
5 from django.shortcuts import get_object_or_404, render, redirect
6 from django.utils.translation import gettext_lazy as _
7 from django.views.decorators.http import require_http_methods
8 
9 from .models import FoodOrder, FoodEvent, Product
10 
11 
12 @login_required
13 def index(request):
14     """Overview of user order for a pizza event."""
15     products = Product.available_products.order_by("name")
16     if not request.user.has_perm("pizzas.order_restricted_products"):
17         products = products.exclude(restricted=True)
18     event = FoodEvent.current()
19     try:
20         obj = FoodOrder.objects.get(pizza_event=event, member=request.member)
21     except FoodOrder.DoesNotExist:
22         obj = None
23     context = {"event": event, "products": products, "order": obj}
24     return render(request, "pizzas/index.html", context)
25 
26 
27 @require_http_methods(["POST"])
28 def cancel_order(request):
29     """View that cancels a user's order."""
30     if "order" in request.POST:
31         try:
32             order = get_object_or_404(FoodOrder, pk=int(request.POST["order"]))
33             if not order.can_be_changed:
34                 messages.error(request, _("You can no longer cancel."))
35             elif order.member == request.member:
36                 order.delete()
37                 messages.success(request, _("Your order has been cancelled."))
38         except Http404:
39             messages.error(request, _("Your order could not be found."))
40     return redirect("pizzas:index")
41 
42 
43 @login_required
44 def place_order(request):
45     """View that shows the detail of the current order."""
46     event = FoodEvent.current()
47     if not event:
48         return redirect("pizzas:index")
49 
50     try:
51         obj = FoodOrder.objects.get(pizza_event=event, member=request.member)
52         current_order_locked = not obj.can_be_changed
53     except FoodOrder.DoesNotExist:
54         obj = None
55         current_order_locked = False
56 
57     if "product" in request.POST and not current_order_locked:
58         productset = Product.available_products.all()
59         if not request.user.has_perm("pizzas.order_restricted_products"):
60             productset = productset.exclude(restricted=True)
61         try:
62             product = productset.get(pk=int(request.POST["product"]))
63         except Product.DoesNotExist as e:
64             raise Http404("Pizza does not exist") from e
65         if not obj:
66             obj = FoodOrder(pizza_event=event, member=request.member)
67         obj.product = product
68         obj.save()
69     return redirect("pizzas:index")
70
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/website/pizzas/services.py b/website/pizzas/services.py
--- a/website/pizzas/services.py
+++ b/website/pizzas/services.py
@@ -36,7 +36,7 @@
         total.update(
             {
                 product.name: FoodOrder.objects.filter(
-                    product=product, pizza_event=current_pizza_event,
+                    product=product, food_event=current_pizza_event,
                 ).count(),
             }
         )
diff --git a/website/pizzas/views.py b/website/pizzas/views.py
--- a/website/pizzas/views.py
+++ b/website/pizzas/views.py
@@ -17,7 +17,7 @@
         products = products.exclude(restricted=True)
     event = FoodEvent.current()
     try:
-        obj = FoodOrder.objects.get(pizza_event=event, member=request.member)
+        obj = FoodOrder.objects.get(food_event=event, member=request.member)
     except FoodOrder.DoesNotExist:
         obj = None
     context = {"event": event, "products": products, "order": obj}
@@ -48,7 +48,7 @@
         return redirect("pizzas:index")
 
     try:
-        obj = FoodOrder.objects.get(pizza_event=event, member=request.member)
+        obj = FoodOrder.objects.get(food_event=event, member=request.member)
         current_order_locked = not obj.can_be_changed
     except FoodOrder.DoesNotExist:
         obj = None
@@ -63,7 +63,7 @@
         except Product.DoesNotExist as e:
             raise Http404("Pizza does not exist") from e
         if not obj:
-            obj = FoodOrder(pizza_event=event, member=request.member)
+            obj = FoodOrder(food_event=event, member=request.member)
         obj.product = product
         obj.save()
     return redirect("pizzas:index")

{"golden_diff": "diff --git a/website/pizzas/services.py b/website/pizzas/services.py\n--- a/website/pizzas/services.py\n+++ b/website/pizzas/services.py\n@@ -36,7 +36,7 @@\n         total.update(\n             {\n                 product.name: FoodOrder.objects.filter(\n-                    product=product, pizza_event=current_pizza_event,\n+                    product=product, food_event=current_pizza_event,\n                 ).count(),\n             }\n         )\ndiff --git a/website/pizzas/views.py b/website/pizzas/views.py\n--- a/website/pizzas/views.py\n+++ b/website/pizzas/views.py\n@@ -17,7 +17,7 @@\n         products = products.exclude(restricted=True)\n     event = FoodEvent.current()\n     try:\n-        obj = FoodOrder.objects.get(pizza_event=event, member=request.member)\n+        obj = FoodOrder.objects.get(food_event=event, member=request.member)\n     except FoodOrder.DoesNotExist:\n         obj = None\n     context = {\"event\": event, \"products\": products, \"order\": obj}\n@@ -48,7 +48,7 @@\n         return redirect(\"pizzas:index\")\n \n     try:\n-        obj = FoodOrder.objects.get(pizza_event=event, member=request.member)\n+        obj = FoodOrder.objects.get(food_event=event, member=request.member)\n         current_order_locked = not obj.can_be_changed\n     except FoodOrder.DoesNotExist:\n         obj = None\n@@ -63,7 +63,7 @@\n         except Product.DoesNotExist as e:\n             raise Http404(\"Pizza does not exist\") from e\n         if not obj:\n-            obj = FoodOrder(pizza_event=event, member=request.member)\n+            obj = FoodOrder(food_event=event, member=request.member)\n         obj.product = product\n         obj.save()\n     return redirect(\"pizzas:index\")\n", "issue": "FieldError: Cannot resolve keyword 'pizza_event' into field. Choices are: food_event, food_event_id, id, memb...\nSentry Issue: [CONCREXIT-6G](https://sentry.io/organizations/thalia/issues/2468308255/?referrer=github_integration)\n\n```\nFieldError: Cannot resolve keyword 'pizza_event' into field. Choices are: food_event, food_event_id, id, member, member_id, name, payment, payment_id, product, product_id\n(9 additional frame(s) were not displayed)\n...\n  File \"django/db/models/sql/query.py\", line 1391, in add_q\n    clause, _ = self._add_q(q_object, self.used_aliases)\n  File \"django/db/models/sql/query.py\", line 1410, in _add_q\n    child_clause, needed_inner = self.build_filter(\n  File \"django/db/models/sql/query.py\", line 1284, in build_filter\n    lookups, parts, reffed_expression = self.solve_lookup_type(arg)\n  File \"django/db/models/sql/query.py\", line 1110, in solve_lookup_type\n    _, field, _, lookup_parts = self.names_to_path(lookup_splitted, self.get_meta())\n  File \"django/db/models/sql/query.py\", line 1537, in names_to_path\n    raise FieldError(\"Cannot resolve keyword '%s' into field. \"\n```\n", "before_files": [{"content": "from events.services import is_organiser\nfrom .models import Product, FoodOrder, FoodEvent\n\n\ndef gen_stats_pizza_orders():\n    \"\"\"Generate statistics about number of orders per product.\n\n    :return: Dict with key, value being resp. name, order count of a product.\n    \"\"\"\n    total = {}\n\n    for product in Product.objects.all():\n        total.update(\n            {product.name: FoodOrder.objects.filter(product=product).count(),}\n        )\n\n    return {\n        i[0]: i[1]\n        for i in sorted(total.items(), key=lambda x: x[1], reverse=True)[:5]\n        if i[1] > 0\n    }\n\n\ndef gen_stats_current_pizza_orders():\n    \"\"\"Generate statistics about number of orders per product of the active pizza event.\n\n    :return: Dict with key, value being resp. name, order count of a product.\n    \"\"\"\n    total = {}\n\n    current_pizza_event = FoodEvent.current()\n    if not current_pizza_event:\n        return None\n\n    for product in Product.objects.filter():\n        total.update(\n            {\n                product.name: FoodOrder.objects.filter(\n                    product=product, pizza_event=current_pizza_event,\n                ).count(),\n            }\n        )\n\n    return {\n        i[0]: i[1]\n        for i in sorted(total.items(), key=lambda x: x[1], reverse=True)[:5]\n        if i[1] > 0\n    }\n\n\ndef can_change_order(member, food_event):\n    \"\"\"Determine if a certain member can edit orders of an event.\n\n    :param member: Member who wants to change and order\n    :param food_event: The event for which we want to change an order\n    :return: True if we can change an order else False\n    \"\"\"\n    return (\n        food_event\n        and member.has_perm(\"pizzas.change_foodorder\")\n        and is_organiser(member, food_event.event)\n    )\n", "path": "website/pizzas/services.py"}, {"content": "\"\"\"Views provided by the pizzas package.\"\"\"\nfrom django.contrib import messages\nfrom django.contrib.auth.decorators import login_required\nfrom django.http import Http404\nfrom django.shortcuts import get_object_or_404, render, redirect\nfrom django.utils.translation import gettext_lazy as _\nfrom django.views.decorators.http import require_http_methods\n\nfrom .models import FoodOrder, FoodEvent, Product\n\n\n@login_required\ndef index(request):\n    \"\"\"Overview of user order for a pizza event.\"\"\"\n    products = Product.available_products.order_by(\"name\")\n    if not request.user.has_perm(\"pizzas.order_restricted_products\"):\n        products = products.exclude(restricted=True)\n    event = FoodEvent.current()\n    try:\n        obj = FoodOrder.objects.get(pizza_event=event, member=request.member)\n    except FoodOrder.DoesNotExist:\n        obj = None\n    context = {\"event\": event, \"products\": products, \"order\": obj}\n    return render(request, \"pizzas/index.html\", context)\n\n\n@require_http_methods([\"POST\"])\ndef cancel_order(request):\n    \"\"\"View that cancels a user's order.\"\"\"\n    if \"order\" in request.POST:\n        try:\n            order = get_object_or_404(FoodOrder, pk=int(request.POST[\"order\"]))\n            if not order.can_be_changed:\n                messages.error(request, _(\"You can no longer cancel.\"))\n            elif order.member == request.member:\n                order.delete()\n                messages.success(request, _(\"Your order has been cancelled.\"))\n        except Http404:\n            messages.error(request, _(\"Your order could not be found.\"))\n    return redirect(\"pizzas:index\")\n\n\n@login_required\ndef place_order(request):\n    \"\"\"View that shows the detail of the current order.\"\"\"\n    event = FoodEvent.current()\n    if not event:\n        return redirect(\"pizzas:index\")\n\n    try:\n        obj = FoodOrder.objects.get(pizza_event=event, member=request.member)\n        current_order_locked = not obj.can_be_changed\n    except FoodOrder.DoesNotExist:\n        obj = None\n        current_order_locked = False\n\n    if \"product\" in request.POST and not current_order_locked:\n        productset = Product.available_products.all()\n        if not request.user.has_perm(\"pizzas.order_restricted_products\"):\n            productset = productset.exclude(restricted=True)\n        try:\n            product = productset.get(pk=int(request.POST[\"product\"]))\n        except Product.DoesNotExist as e:\n            raise Http404(\"Pizza does not exist\") from e\n        if not obj:\n            obj = FoodOrder(pizza_event=event, member=request.member)\n        obj.product = product\n        obj.save()\n    return redirect(\"pizzas:index\")\n", "path": "website/pizzas/views.py"}], "after_files": [{"content": "from events.services import is_organiser\nfrom .models import Product, FoodOrder, FoodEvent\n\n\ndef gen_stats_pizza_orders():\n    \"\"\"Generate statistics about number of orders per product.\n\n    :return: Dict with key, value being resp. name, order count of a product.\n    \"\"\"\n    total = {}\n\n    for product in Product.objects.all():\n        total.update(\n            {product.name: FoodOrder.objects.filter(product=product).count(),}\n        )\n\n    return {\n        i[0]: i[1]\n        for i in sorted(total.items(), key=lambda x: x[1], reverse=True)[:5]\n        if i[1] > 0\n    }\n\n\ndef gen_stats_current_pizza_orders():\n    \"\"\"Generate statistics about number of orders per product of the active pizza event.\n\n    :return: Dict with key, value being resp. name, order count of a product.\n    \"\"\"\n    total = {}\n\n    current_pizza_event = FoodEvent.current()\n    if not current_pizza_event:\n        return None\n\n    for product in Product.objects.filter():\n        total.update(\n            {\n                product.name: FoodOrder.objects.filter(\n                    product=product, food_event=current_pizza_event,\n                ).count(),\n            }\n        )\n\n    return {\n        i[0]: i[1]\n        for i in sorted(total.items(), key=lambda x: x[1], reverse=True)[:5]\n        if i[1] > 0\n    }\n\n\ndef can_change_order(member, food_event):\n    \"\"\"Determine if a certain member can edit orders of an event.\n\n    :param member: Member who wants to change and order\n    :param food_event: The event for which we want to change an order\n    :return: True if we can change an order else False\n    \"\"\"\n    return (\n        food_event\n        and member.has_perm(\"pizzas.change_foodorder\")\n        and is_organiser(member, food_event.event)\n    )\n", "path": "website/pizzas/services.py"}, {"content": "\"\"\"Views provided by the pizzas package.\"\"\"\nfrom django.contrib import messages\nfrom django.contrib.auth.decorators import login_required\nfrom django.http import Http404\nfrom django.shortcuts import get_object_or_404, render, redirect\nfrom django.utils.translation import gettext_lazy as _\nfrom django.views.decorators.http import require_http_methods\n\nfrom .models import FoodOrder, FoodEvent, Product\n\n\n@login_required\ndef index(request):\n    \"\"\"Overview of user order for a pizza event.\"\"\"\n    products = Product.available_products.order_by(\"name\")\n    if not request.user.has_perm(\"pizzas.order_restricted_products\"):\n        products = products.exclude(restricted=True)\n    event = FoodEvent.current()\n    try:\n        obj = FoodOrder.objects.get(food_event=event, member=request.member)\n    except FoodOrder.DoesNotExist:\n        obj = None\n    context = {\"event\": event, \"products\": products, \"order\": obj}\n    return render(request, \"pizzas/index.html\", context)\n\n\n@require_http_methods([\"POST\"])\ndef cancel_order(request):\n    \"\"\"View that cancels a user's order.\"\"\"\n    if \"order\" in request.POST:\n        try:\n            order = get_object_or_404(FoodOrder, pk=int(request.POST[\"order\"]))\n            if not order.can_be_changed:\n                messages.error(request, _(\"You can no longer cancel.\"))\n            elif order.member == request.member:\n                order.delete()\n                messages.success(request, _(\"Your order has been cancelled.\"))\n        except Http404:\n            messages.error(request, _(\"Your order could not be found.\"))\n    return redirect(\"pizzas:index\")\n\n\n@login_required\ndef place_order(request):\n    \"\"\"View that shows the detail of the current order.\"\"\"\n    event = FoodEvent.current()\n    if not event:\n        return redirect(\"pizzas:index\")\n\n    try:\n        obj = FoodOrder.objects.get(food_event=event, member=request.member)\n        current_order_locked = not obj.can_be_changed\n    except FoodOrder.DoesNotExist:\n        obj = None\n        current_order_locked = False\n\n    if \"product\" in request.POST and not current_order_locked:\n        productset = Product.available_products.all()\n        if not request.user.has_perm(\"pizzas.order_restricted_products\"):\n            productset = productset.exclude(restricted=True)\n        try:\n            product = productset.get(pk=int(request.POST[\"product\"]))\n        except Product.DoesNotExist as e:\n            raise Http404(\"Pizza does not exist\") from e\n        if not obj:\n            obj = FoodOrder(food_event=event, member=request.member)\n        obj.product = product\n        obj.save()\n    return redirect(\"pizzas:index\")\n", "path": "website/pizzas/views.py"}]}