Fix error handling when building image

Apparently, we managed to publish an image without working aiohttp
because of this.

Partially a regression from 5d7183a.

Dockerfile

@@ -17,7 +17,8 @@ COPY babel.cfg /opt/snikket-web-portal/babel.cfg
 
 WORKDIR /opt/snikket-web-portal
 
-RUN pip3 install -r requirements.txt; \
+RUN set -eu; \
+    pip3 install -r requirements.txt; \
     pip3 install -r build-requirements.txt; \
     make;
 
@@ -47,7 +48,7 @@ RUN set -eu; \
 WORKDIR /opt/snikket-web-portal
 
 COPY requirements.txt /opt/snikket-web-portal/requirements.txt
-RUN pip3 install -r requirements.txt; rm -rf /root/.cache;
+RUN set -eu; pip3 install -r requirements.txt; rm -rf /root/.cache;
 
 COPY --from=build /opt/snikket-web-portal/snikket_web/ /opt/snikket-web-portal/snikket_web
 COPY babel.cfg /opt/snikket-web-portal/babel.cfg

requirements.txt

@@ -5,5 +5,5 @@ hsluv~=0.0.2
 flask-babel~=1.0
 email-validator~=1.1
 environ-config~=20.0
-wtforms~=3.0
+wtforms~=2.3
 typing-extensions

snikket_web/admin.py

@@ -10,6 +10,7 @@ import aiohttp
 import quart.flask_patch
 
 import wtforms
+import wtforms.fields.html5
 
 from quart import (
     Blueprint,

snikket_web/main.py

@@ -32,7 +32,7 @@ bp = quart.Blueprint("main", __name__)
 
 
 class LoginForm(BaseForm):
-    address = wtforms.StringField(
+    address = wtforms.TextField(
         _l("Address"),
         validators=[wtforms.validators.InputRequired()],
     )

snikket_web/user.py

@@ -59,7 +59,7 @@ _ACCESS_MODEL_CHOICES = [
 
 
 class ProfileForm(BaseForm):
-    nickname = wtforms.StringField(
+    nickname = wtforms.TextField(
         _l("Display name"),
     )