Method onDidChangeInterpreter

lsp/src/python-environment.ts:147–161

(
    callback: () => void,
  )

  }

  async onDidChangeInterpreter(
    callback: () => void,
  ): Promise<vscode.Disposable> {
    this.listeners.push(callback);
    const provider = await this.provider;
    if (provider) {
      this.listenerDisposables.push(provider.onDidChange(callback));
    }
    return new vscode.Disposable(() => {
      const idx = this.listeners.indexOf(callback);
      if (idx >= 0) {
        this.listeners.splice(idx, 1);
      }
    });
  }
}