Add troubleshooting instructions (GoogleCloudPlatform#4510)

davidcavazos · web-flow · commit 659f597d8922 · 2020-08-18T15:08:03.000Z
Adding troubleshooting instructions for some errors when trying to install a python version. ## Checklist - [ ] I have followed [Sample Guidelines from AUTHORING_GUIDE.MD](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md) - [ ] README is updated to include [all relevant information](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md#readme-file) - [ ] **Tests** pass: `nox -s py-3.6` (see [Test Environment Setup](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md#test-environment-setup)) - [ ] **Lint** pass: `nox -s lint` (see [Test Environment Setup](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/AUTHORING_GUIDE.md#test-environment-setup)) - [ ] These samples need a new **API enabled** in testing projects to pass (let us know which ones) - [ ] These samples need a new/updated **env vars** in testing projects set to pass (let us know which ones) - [ ] Please **merge** this PR for me once it is approved. - [ ] This sample adds a new sample directory, and I updated the [CODEOWNERS file](https://github.com/GoogleCloudPlatform/python-docs-samples/blob/master/.github/CODEOWNERS) with the codeowners for this sample
diff --git a/MAC_SETUP.md b/MAC_SETUP.md
@@ -93,6 +93,14 @@ test their code.
     $ pyenv install 3.8.1
     ```
 
+    > ℹ️ *Note*: If you are getting errors installing a python version,
+    > try setting up the `SDKROOT` environment variable.
+    >
+    > ```console
+    > # You can add this to your .bashrc file.
+    > export SDKROOT=/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk
+    > ```
+
 1.  After you have installed a python version through pyenv,
     verify that you are now using the pyenv Python shim.
 
