requirements: Upgrade Python requirements.

Signed-off-by: Anders Kaseorg <anders@zulip.com>

requirements/docs.txt

@@ -200,9 +200,9 @@ markupsafe==2.1.5 \
     --hash=sha256:fce659a462a1be54d2ffcacea5e3ba2d74daa74f30f5f143fe0c58636e355fdd \
     --hash=sha256:ffee1f21e5ef0d712f9033568f8344d5da8cc2869dbd08d87c84656e6a2d2f68
     # via jinja2
-mdit-py-plugins==0.4.0 \
-    --hash=sha256:b51b3bb70691f57f974e257e367107857a93b36f322a9e6d44ca5bf28ec2def9 \
-    --hash=sha256:d8ab27e9aed6c38aa716819fedfde15ca275715955f8a185a8e1cf90fb1d2c1b
+mdit-py-plugins==0.4.1 \
+    --hash=sha256:1020dfe4e6bfc2c79fb49ae4e3f5b297f5ccd20f010187acc52af2921e27dc6a \
+    --hash=sha256:834b8ac23d1cd60cec703646ffd22ae97b7955a6d596eb1d304be1e251ae499c
     # via myst-parser
 mdurl==0.1.2 \
     --hash=sha256:84008a41e51615a49fc9966191ff91509e3c40b939176e643fd50a5c2196b8f8 \
@@ -273,9 +273,9 @@ pyyaml==6.0.1 \
     --hash=sha256:fd1592b3fdf65fff2ad0004b5e363300ef59ced41c2e6b3a99d4089fa8c5435d \
     --hash=sha256:fd66fc5d0da6d9815ba2cebeb4205f95818ff4b79c3ebe268e75d961704af52f
     # via myst-parser
-requests==2.31.0 \
-    --hash=sha256:58cd2187c01e70e6e26505bca751777aa9f2ee0b7f4300988b709f44e013003f \
-    --hash=sha256:942c5a758f98d790eaed1a29cb6eefc7ffb0d1cf7af05c3d2791656dbd6ad1e1
+requests==2.32.3 \
+    --hash=sha256:55365417734eb18255590a9ff9eb97e9e1da868d4ccd6402399eaf68af20a760 \
+    --hash=sha256:70761cfe03c773ceb22aa2f671b4757976145175cdfca038c02654d061d6dcc6
     # via sphinx
 snowballstemmer==2.2.0 \
     --hash=sha256:09b16deb8547d3412ad7b590689584cd0fe25ec8db3be37788be3810cbf19cb1 \
@@ -290,9 +290,9 @@ sphinx==7.3.7 \
     #   sphinx-design
     #   sphinx-rtd-theme
     #   sphinxcontrib-jquery
-sphinx-design==0.5.0 \
-    --hash=sha256:1af1267b4cea2eedd6724614f19dcc88fe2e15aff65d06b2f6252cee9c4f4c1e \
-    --hash=sha256:e8e513acea6f92d15c6de3b34e954458f245b8e761b45b63950f65373352ab00
+sphinx-design==0.6.0 \
+    --hash=sha256:e9bd07eecec82eb07ff72cb50fc3624e186b04f5661270bc7b62db86c7546e95 \
+    --hash=sha256:ec8e3c5c59fed4049b3a5a2e209360feab31829346b5f6a0c7c342b894082192
     # via -r requirements/docs.in
 sphinx-rtd-theme==2.0.0 \
     --hash=sha256:bd5d7b80622406762073a04ef8fadc5f9151261563d47027de09910ce03afe6b \

requirements/pip.txt

@@ -16,7 +16,7 @@ wheel==0.43.0 \
 https://github.com/zulip/pip/archive/39e8b5ecfcd8d19872f103d680713bc8e9de9d00.zip#egg=pip==20.3.4+git \
     --hash=sha256:2c8ae0783fea3e2b98b422d443b19c443779f0881882f905e0728be7b4043d1b
     # via -r requirements/pip.in
-setuptools==69.5.1 \
-    --hash=sha256:6c1fccdac05a97e598fb0ae3bbed5904ccb317337a51139dcd51453611bbb987 \
-    --hash=sha256:c636ac361bc47580504644275c9ad802c50415c7522212252c033bd15f301f32
+setuptools==70.0.0 \
+    --hash=sha256:54faa7f2e8d2d11bcd2c07bed282eef1046b5c080d1c32add737d7b5817b1ad4 \
+    --hash=sha256:f211a66637b8fa059bb28183da127d4e86396c991a942b028c6650d4319c3fd0
     # via -r requirements/pip.in

version.py

@@ -48,4 +48,4 @@ API_FEATURE_LEVEL = 262
 #   historical commits sharing the same major version, in which case a
 #   minor version bump suffices.
 
-PROVISION_VERSION = (272, 2)  # last bumped 2024-05-26 for upgrading Transifex CLI
+PROVISION_VERSION = (280, 0)  # last bumped 2024-05-31 for upgrading Python requirements

zerver/models/realms.py

@@ -24,8 +24,8 @@ from zerver.models.groups import SystemGroups
 from zerver.models.users import UserProfile
 
 if TYPE_CHECKING:
-    # We use ModelBackend only for typing. Importing it otherwise causes circular dependency.
-    from django.contrib.auth.backends import ModelBackend
+    # We use BaseBackend only for typing. Importing it otherwise causes circular dependency.
+    from django.contrib.auth.backends import BaseBackend
 
     from zerver.models import Stream
 
@@ -37,14 +37,13 @@ SECONDS_PER_DAY = 86400
 # these values cannot change in a running production system, but do
 # regularly change within unit tests; we address the latter by calling
 # clear_supported_auth_backends_cache in our standard tearDown code.
-supported_backends: Optional[List["ModelBackend"]] = None
+supported_backends: Optional[List["BaseBackend"]] = None
 
 
-def supported_auth_backends() -> List["ModelBackend"]:
+def supported_auth_backends() -> List["BaseBackend"]:
     global supported_backends
     # Caching temporarily disabled for debugging
     supported_backends = django.contrib.auth.get_backends()
-    assert supported_backends is not None
     return supported_backends