fix twine command [skip ci]

Author: skvark

.travis.yml

@@ -96,4 +96,4 @@ script:
 after_success:
     # Upload wheels to pypi
     - pip install twine
-    - if [ -n "TRAVIS_TAG" ]; then twine -u ${USER} -p ${PASS} -r pypitest ${TRAVIS_BUILD_DIR}/wheelhouse/*; else echo "Tag not set, deployment skipped."; fi
+    - if [ -n "$TRAVIS_TAG" ]; then twine upload -u ${USER} -p ${PASS} -r pypitest ${TRAVIS_BUILD_DIR}/wheelhouse/*; else echo "Tag not set, deployment skipped."; fi

appveyor.yml

@@ -108,4 +108,4 @@ artifacts:
   name: wheels
 
 deploy_script:
-- if "%APPVEYOR_REPO_TAG%"=="true" (twine -u %USER% -p %PASS% -r pypitest dist/*) else (echo "Tag not set, deployment skipped.")
+- if "%APPVEYOR_REPO_TAG%"=="true" (twine upload -u %USER% -p %PASS% -r pypitest dist/*) else (echo "Tag not set, deployment skipped.")