Makefile update.

Author: toddbirchard

Makefile

@@ -29,10 +29,7 @@ env: $(VIRTUAL_ENV)
 $(VIRTUAL_ENV):
 	if [ ! -d $(VIRTUAL_ENV) ]; then \
 		echo "Creating Python virtual env in \`${VIRTUAL_ENV}\`"; \
-		python3 -m venv $(VIRTUAL_ENV) \
-		source $(VIRTUAL_ENV)/bin/activate;
-	else \
-		source $(VIRTUAL_ENV)/bin/activate;
+		python3 -m venv $(VIRTUAL_ENV); \
 	fi