Install pydoctor from pip

.github/workflows/docs.yml

@@ -16,6 +16,8 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
       - name: Install pydoctor
-        run: sudo apt-get update && sudo apt-get install -y pydoctor
+        run: |
+          sudo apt-get update && sudo apt -y install -y pydoctor python3-pip
+          pip3 install pydoctor
       - name: Generate docs
         run: make apidocs

Makefile

@@ -74,4 +74,4 @@ coverage-html: coverage
 .PHONY: apidocs
 
 apidocs:
-	pydoctor --intersphinx http://urllib3.readthedocs.org/en/latest/objects.inv --intersphinx http://docs.python.org/3/objects.inv --docformat=google dulwich --project-url=https://www.dulwich.io/
+	pydoctor --intersphinx http://urllib3.readthedocs.org/en/latest/objects.inv --intersphinx http://docs.python.org/3/objects.inv --docformat=google dulwich --project-url=https://www.dulwich.io/ --project-name=dulwich