fixups

Makefile

@@ -549,7 +549,7 @@ dist-test-env: dist build/dist-test-env.$(PYTHON_VERSION).build-stamp
 
 build/dist-test-env.$(PYTHON_VERSION).build-stamp: build/conda-env.${CONDA_ENV_NAME}.build-stamp
 # Use the same version of python as the one we used to build the wheels.
-build/dist-test-env.$(PYTHON_VERSION).build-stamp: PYTHON_VERS_REQ=$(shell conda list -n ${CONDA_ENV_NAME} | egrep '^python\s+' | sed -r -e 's/^python\s+//' | cut -d' ' -f1 | cut -d. -f1-2)
+build/dist-test-env.$(PYTHON_VERSION).build-stamp: PYTHON_VERS_REQ=$(shell conda list -n ${CONDA_ENV_NAME} | egrep '^python\s+' | sed -r -e 's/^python[ \t]+//' | cut -d' ' -f1 | cut -d. -f1-2)
 build/dist-test-env.$(PYTHON_VERSION).build-stamp: mlos_core/dist/tmp/mlos_core-latest-py3-none-any.whl
 build/dist-test-env.$(PYTHON_VERSION).build-stamp: mlos_bench/dist/tmp/mlos_bench-latest-py3-none-any.whl
 build/dist-test-env.$(PYTHON_VERSION).build-stamp: mlos_viz/dist/tmp/mlos_viz-latest-py3-none-any.whl