PYTHON-5570 Do not freeze the lockfile

Author: blink1073

.evergreen/scripts/setup-dev-env.sh

@@ -47,13 +47,13 @@ if [ -f $HOME/.visualStudioEnv.sh ]; then
   SSH_TTY=1 source $HOME/.visualStudioEnv.sh
   set -u
 fi
-uv sync --frozen
+uv sync
 
 echo "Setting up python environment... done."
 
 # Ensure there is a pre-commit hook if there is a git checkout.
 if [ -d .git ] && [ ! -f .git/hooks/pre-commit ]; then
-    uv run --frozen pre-commit install
+    uv run pre-commit install
 fi
 
 popd > /dev/null

justfile

@@ -1,7 +1,5 @@
 # See https://just.systems/man/en/ for instructions
 set shell := ["bash", "-c"]
-# Do not modify the lock file when running justfile commands.
-export UV_FROZEN := "1"
 
 # Commonly used command segments.
 typing_run := "uv run --group typing --extra aws --extra encryption --extra ocsp --extra snappy --extra test --extra zstd"
@@ -16,7 +14,7 @@ default:
 
 [private]
 resync:
- @uv sync --quiet --frozen
+ @uv sync --quiet
 
 install:
    bash .evergreen/scripts/setup-dev-env.sh