Separate pre-commit hook and travis CI tests

.travis.yml

@@ -56,6 +56,5 @@ matrix:
         - pip install -r requirements-dev.txt
         - nvm install 10.16.0
         - nvm use 10.16.0
-        - pre-commit install
         - pip install -e . --install-option "--build_all" --verbose
-      script: pre-commit run --all-files
+      script: make test

bindings/pydeck/Makefile

@@ -17,9 +17,7 @@ init:
 	$(MAKE) prepare-jupyter
 
 pre-commit:
-	black . &&
-	flake8 {pydeck,tests,*.py,examples} && \
-	pytest --cov=pydeck 
+	black . && $(MAKE) test
 
 pre-init:
 	python3 -m venv env; \
@@ -38,7 +36,8 @@ prepare-jupyter:
 	  cd ../../bindings/pydeck
 
 test:
-	pytest
+	flake8 {pydeck,tests,*.py,examples} && \
+	pytest --cov=pydeck 
 
 publish-conda:	
 	@echo "NOTE pydeck does not yet publish to conda-forge. Awaiting #4202."

bindings/pydeck/requirements-dev.txt

@@ -18,4 +18,4 @@ semver # necessary for PEP440-compliant semantic versions
 sphinx-markdown-builder
 wheel
 sphinx_rtd_theme
-black
+black;python_version>="3.6"