Remove branching over whitespace in executable path

IPython/core/magics/packaging.py

@@ -67,7 +67,6 b' class PackagingMagics(Magics):'
           %pip install [pkgs]
         """
         python = sys.executable
-        if " " in python:
             if sys.platform == "win32":
                 python = '"' + python + '"'
             else: