public @Nullable String getInterpreterPath() {
    String sdkHome;
    if (myUseModuleSdk) {
      Sdk sdk = PythonSdkUtil.findPythonSdk(getModule());
      if (sdk == null) return null;
      sdkHome = sdk.getHomePath();
    }
    else if (mySdk != null) {
      sdkHome = mySdk.getHomePath();
    }
    else {
      sdkHome = getSdkHome();
    }
    return sdkHome;
  }
public @Nullable String getInterpreterPath()