Revert other changes

MANIFEST.in

@@ -4,6 +4,5 @@ include LICENSE
 include README.md
 include bin/spacy
 include pyproject.toml
-include requirements.txt
 recursive-exclude spacy/lang *.json
 recursive-include spacy/lang *.json.gz

azure-pipelines.yml

@@ -83,15 +83,15 @@ jobs:
       python setup.py sdist --formats=gztar
     displayName: 'Compile and build sdist'
 
+  - task: DeleteFiles@1
+    inputs:
+      contents: 'spacy'
+    displayName: 'Delete source directory'
+
   - bash: |
       SDIST=$(python -c "import os;print(os.listdir('./dist')[-1])" 2>&1)
       pip install dist/$SDIST
     displayName: 'Install from sdist'
 
-  - script: python -m pytest spacy
+  - script: python -m pytest --pyargs spacy
     displayName: 'Run tests'
-
-  - task: DeleteFiles@1
-    inputs:
-      contents: 'spacy'
-    displayName: 'Delete source directory'