Do not use --user flag when installing in a virtual environment (#19247)

* Do not use --user flag when installing in a virtual environment

* News

Author: Kartik Raj

news/2 Fixes/14327.md

@@ -0,0 +1 @@
+Do not use `--user` flag when installing in a virtual environment.

src/client/common/installer/moduleInstaller.ts

@@ -7,7 +7,7 @@ import { CancellationToken, ProgressLocation, ProgressOptions } from 'vscode';
 import { IInterpreterService } from '../../interpreter/contracts';
 import { IServiceContainer } from '../../ioc/types';
 import { traceError, traceLog } from '../../logging';
-import { EnvironmentType, ModuleInstallerType } from '../../pythonEnvironments/info';
+import { EnvironmentType, ModuleInstallerType, virtualEnvTypes } from '../../pythonEnvironments/info';
 import { sendTelemetryEvent } from '../../telemetry';
 import { EventName } from '../../telemetry/constants';
 import { IApplicationShell } from '../application/types';
@@ -100,6 +100,15 @@ export abstract class ModuleInstaller implements IModuleInstaller {
                         token,
                         executionInfo.useShell,
                     );
+                } else if (virtualEnvTypes.includes(interpreter.envType)) {
+                    await this.executeCommand(
+                        shouldExecuteInTerminal,
+                        resource,
+                        pythonPath,
+                        args,
+                        token,
+                        executionInfo.useShell,
+                    );
                 } else {
                     await this.executeCommand(
                         shouldExecuteInTerminal,