Add quotes around message coming from pipenv

Author: brettcannon

src/client/interpreter/locators/services/pipEnvService.ts

@@ -109,7 +109,7 @@ export class PipEnvService extends CacheableLocatorService {
  console.error(error);
  const errorMessage = error.message || error;
  const appShell = this.serviceContainer.get<IApplicationShell>(IApplicationShell);
- appShell.showWarningMessage(`Workspace contains pipfile but attempt to run 'pipenv --venv' failed with ${errorMessage}. Make sure pipenv is on the PATH.`);
+ appShell.showWarningMessage(`Workspace contains pipfile but attempt to run 'pipenv --venv' failed with '${errorMessage}'. Make sure pipenv is on the PATH.`);
  }
  }
 }