We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
bplan template dates saved but not shown in Dashboard
URL: https://mein.berlin.de/dashboard/projects/erweiterung-mauerpark-bebauungsplan-3-64-im-bezirk/bplan/
user: initiator
expected behaviour: date and time that I have entered are still shown after saving form
behaviour: dates are no longer shown after saving, no error message, I can still publish the project and date is shown correctly on project tile
device & browser: Desktop, mac, chrome Version 76.0.3809.132 (Offizieller Build) (64-Bit)
Importance: relevant bug, fix before next release

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `meinberlin/apps/bplan/forms.py`
Content:
```
1 from django import forms
2 
3 from meinberlin.apps.extprojects.forms import ExternalProjectCreateForm
4 from meinberlin.apps.extprojects.forms import ExternalProjectForm
5 
6 from . import models
7 
8 
9 class StatementForm(forms.ModelForm):
10     class Meta:
11         model = models.Statement
12         fields = ['name', 'email', 'statement',
13                   'street_number', 'postal_code_city']
14 
15 
16 class BplanProjectCreateForm(ExternalProjectCreateForm):
17 
18     class Meta:
19         model = models.Bplan
20         fields = ['name', 'description', 'tile_image', 'tile_image_copyright']
21 
22 
23 class BplanProjectForm(ExternalProjectForm):
24 
25     class Meta:
26         model = models.Bplan
27         fields = ['name', 'identifier', 'url', 'description', 'tile_image',
28                   'tile_image_copyright', 'is_archived', 'office_worker_email']
29         required_for_project_publish = ['name', 'url', 'description',
30                                         'office_worker_email']
31
```
--- 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/meinberlin/apps/bplan/forms.py b/meinberlin/apps/bplan/forms.py
--- a/meinberlin/apps/bplan/forms.py
+++ b/meinberlin/apps/bplan/forms.py
@@ -25,6 +25,7 @@
     class Meta:
         model = models.Bplan
         fields = ['name', 'identifier', 'url', 'description', 'tile_image',
-                  'tile_image_copyright', 'is_archived', 'office_worker_email']
+                  'tile_image_copyright', 'is_archived', 'office_worker_email',
+                  'start_date', 'end_date']
         required_for_project_publish = ['name', 'url', 'description',
                                         'office_worker_email']

{"golden_diff": "diff --git a/meinberlin/apps/bplan/forms.py b/meinberlin/apps/bplan/forms.py\n--- a/meinberlin/apps/bplan/forms.py\n+++ b/meinberlin/apps/bplan/forms.py\n@@ -25,6 +25,7 @@\n     class Meta:\n         model = models.Bplan\n         fields = ['name', 'identifier', 'url', 'description', 'tile_image',\n-                  'tile_image_copyright', 'is_archived', 'office_worker_email']\n+                  'tile_image_copyright', 'is_archived', 'office_worker_email',\n+                  'start_date', 'end_date']\n         required_for_project_publish = ['name', 'url', 'description',\n                                         'office_worker_email']\n", "issue": "bplan template dates saved but not shown in Dashboard\nURL: https://mein.berlin.de/dashboard/projects/erweiterung-mauerpark-bebauungsplan-3-64-im-bezirk/bplan/\r\nuser: initiator\r\nexpected behaviour: date and time that I have entered are still shown after saving form\r\nbehaviour: dates are no longer shown after saving, no error message, I can still publish the project and date is shown correctly on project tile\r\ndevice & browser: Desktop, mac, chrome Version 76.0.3809.132 (Offizieller Build) (64-Bit)\r\nImportance: relevant bug, fix before next release\n", "before_files": [{"content": "from django import forms\n\nfrom meinberlin.apps.extprojects.forms import ExternalProjectCreateForm\nfrom meinberlin.apps.extprojects.forms import ExternalProjectForm\n\nfrom . import models\n\n\nclass StatementForm(forms.ModelForm):\n    class Meta:\n        model = models.Statement\n        fields = ['name', 'email', 'statement',\n                  'street_number', 'postal_code_city']\n\n\nclass BplanProjectCreateForm(ExternalProjectCreateForm):\n\n    class Meta:\n        model = models.Bplan\n        fields = ['name', 'description', 'tile_image', 'tile_image_copyright']\n\n\nclass BplanProjectForm(ExternalProjectForm):\n\n    class Meta:\n        model = models.Bplan\n        fields = ['name', 'identifier', 'url', 'description', 'tile_image',\n                  'tile_image_copyright', 'is_archived', 'office_worker_email']\n        required_for_project_publish = ['name', 'url', 'description',\n                                        'office_worker_email']\n", "path": "meinberlin/apps/bplan/forms.py"}], "after_files": [{"content": "from django import forms\n\nfrom meinberlin.apps.extprojects.forms import ExternalProjectCreateForm\nfrom meinberlin.apps.extprojects.forms import ExternalProjectForm\n\nfrom . import models\n\n\nclass StatementForm(forms.ModelForm):\n    class Meta:\n        model = models.Statement\n        fields = ['name', 'email', 'statement',\n                  'street_number', 'postal_code_city']\n\n\nclass BplanProjectCreateForm(ExternalProjectCreateForm):\n\n    class Meta:\n        model = models.Bplan\n        fields = ['name', 'description', 'tile_image', 'tile_image_copyright']\n\n\nclass BplanProjectForm(ExternalProjectForm):\n\n    class Meta:\n        model = models.Bplan\n        fields = ['name', 'identifier', 'url', 'description', 'tile_image',\n                  'tile_image_copyright', 'is_archived', 'office_worker_email',\n                  'start_date', 'end_date']\n        required_for_project_publish = ['name', 'url', 'description',\n                                        'office_worker_email']\n", "path": "meinberlin/apps/bplan/forms.py"}]}