diff --git a/.github/workflows/promptflow-import-linter.yml b/.github/workflows/promptflow-import-linter.yml
index 740c327aa96..4e2877b436d 100644
--- a/.github/workflows/promptflow-import-linter.yml
+++ b/.github/workflows/promptflow-import-linter.yml
@@ -26,12 +26,16 @@ jobs:
     - name: Install all packages
       run: |
         cd ${{ env.WORKING_DIRECTORY }}/src/promptflow-tracing
+        touch promptflow/__init__.py
         poetry install --with dev
         cd ${{ env.WORKING_DIRECTORY }}/src/promptflow-core
+        touch promptflow/__init__.py
         poetry install --with dev
         cd ${{ env.WORKING_DIRECTORY }}/src/promptflow-devkit
+        touch promptflow/__init__.py
         poetry install --with dev
         cd ${{ env.WORKING_DIRECTORY }}/src/promptflow-azure
+        touch promptflow/__init__.py
         poetry install --with dev
       working-directory: ${{ env.WORKING_DIRECTORY }}
     - name: import lint
diff --git a/scripts/installer/windows/scripts/generate_dependency.py b/scripts/installer/windows/scripts/generate_dependency.py
index ebd4fab3f0f..900939d7a16 100644
--- a/scripts/installer/windows/scripts/generate_dependency.py
+++ b/scripts/installer/windows/scripts/generate_dependency.py
@@ -32,13 +32,6 @@ def extract_requirements(file_path):
                     extras_requires = ast.literal_eval(keyword.value)
     return install_requires, extras_requires
 
-def extract_requirements_b(file_path):
-    with open(file_path, 'r') as file:
-        tree = toml.load(file)
-    install_requires = tree['tool']['poetry']['dependencies']
-    extras_requires = {}
-    return install_requires, extras_requires
-
 def extract_package_names(packages):
     package_names = []
     for package in packages: