Use directoryExists() instead of fileExists().

Author: ericsnowcurrently

src/client/datascience/jupyter/jupyterNotebook.ts

@@ -656,7 +656,7 @@ export class JupyterNotebookBase implements INotebook {
         if (this.launchInfo && this.launchInfo.connectionInfo.localLaunch && !this._workingDirectory) {
             // See what our working dir is supposed to be
             const suggested = this.launchInfo.workingDir;
-            if (suggested && await this.fs.fileExists(suggested)) {
+            if (suggested && await this.fs.directoryExists(suggested)) {
                 // We should use the launch info directory. It trumps the possible dir
                 this._workingDirectory = suggested;
                 return this.changeDirectoryIfPossible(this._workingDirectory);