Revert changes

Author: DonJayamanne

build/ci/vscode-python-ci.yaml

@@ -271,11 +271,11 @@ stages:
     dependsOn: []
     strategy:
       matrix:
-        # 'Mac-Py3.7':
-        #     PythonVersion: '3.7'
-        #     VMImageName: 'macos-10.13'
-        #     TestsToRun: 'testSmoke'
-        #     NeedsPythonTestReqs: true
+        'Mac-Py3.7':
+            PythonVersion: '3.7'
+            VMImageName: 'macos-10.13'
+            TestsToRun: 'testSmoke'
+            NeedsPythonTestReqs: true
         'Linux-Py3.7':
             PythonVersion: '3.7'
             VMImageName: 'ubuntu-16.04'