Handle errors in launching process

Author: DonJayamanne

src/client/debugger/DebugClients/LocalDebugClient.ts

@@ -120,12 +120,14 @@ export class LocalDebugClient extends DebugClient {
             });
             this.pyProc.stderr.setEncoding("utf8");
             this.pyProc.stderr.on("data", error => {
-                // We don't need to display the errors as stderr output is being captured by debugger
+                // We generally don't need to display the errors as stderr output is being captured by debugger
                 // and it gets sent out to the debug client
 
-                // This is necessary so we read the stdout of the python process
+                // Either way, we need some code in here so we read the stdout of the python process
                 // Else it just keep building up (related to issue #203 and #52)
-                let x = 0;
+                if (this.debugServer && !this.debugServer.IsRunning) {
+                    return reject(error);
+                }
             });
             this.pyProc.stdout.on("data", d => {
                 // This is necessary so we read the stdout of the python process