Copy __init__.py for azure + install azure-functions (#479)

Author: maiqbal11

pack/scripts/nix_deps.sh

@@ -4,4 +4,4 @@ python -m venv .env
 source .env/bin/activate
 python -m pip install .
 
-python -m pip install . --no-compile --target "$BUILD_SOURCESDIRECTORY/deps"
+python -m pip install . azure-functions --no-compile --target "$BUILD_SOURCESDIRECTORY/deps"

pack/scripts/win_deps.ps1

@@ -4,4 +4,4 @@ python -m pip install .
 
 $depsPath = Join-Path -Path $env:BUILD_SOURCESDIRECTORY -ChildPath "deps"
 
-python -m pip install . --no-compile --target $depsPath.ToString()
+python -m pip install . azure-functions --no-compile --target $depsPath.ToString()

pack/templates/nix_env_gen.yml

@@ -19,6 +19,12 @@ jobs:
     inputs: 
       disableAutoCwd: true
       scriptPath: 'pack/scripts/nix_deps.sh'
+  - task: CopyFiles@2
+    inputs:
+      contents: |
+        azure/__init__.py
+      targetFolder: '$(Build.ArtifactStagingDirectory)/deps/azure'
+      flattenFolders: true
   - task: CopyFiles@2
     inputs:
       contents: |

pack/templates/win_env_gen.yml

@@ -18,6 +18,12 @@ jobs:
   - task: PowerShell@2
     inputs: 
       filePath: 'pack\scripts\win_deps.ps1'
+  - task: CopyFiles@2
+    inputs:
+      contents: |
+        azure\__init__.py
+      targetFolder: '$(Build.ArtifactStagingDirectory)\deps\azure'
+      flattenFolders: true
   - task: CopyFiles@2
     inputs:
       contents: |