Upgrade pip for linux worker build (#782)

Hazhzeng · web-flow · commit 1d0b5779ead7 · 2020-11-18T13:02:40.000-08:00
diff --git a/pack/scripts/nix_deps.sh b/pack/scripts/nix_deps.sh
@@ -2,6 +2,8 @@
 
 python -m venv .env
 source .env/bin/activate
+python -m pip install --upgrade pip
+
 python -m pip install .
 
 python -m pip install . azure-functions --no-compile --target "$BUILD_SOURCESDIRECTORY/deps"
