我將 PyCharm 2018.2.4 與 Python 3.7 一起使用。我想運行一些種子數據，所以在 Python 管理控制臺中，我嘗試運行我的 yaml 文件，結果出現此錯誤manage.py@mainpage_project > loaddata seed_databash -cl "/Users/davea/Documents/workspace/mainpage_project/venv/bin/python /Applications/PyCharm.app/Contents/helpers/pycharm/django_manage.py loaddata seed_data /Users/davea/Documents/workspace/mainpage_project"Tracking file by folder pattern:  migrations/Users/davea/Documents/workspace/mainpage_project/venv/lib/python3.7/site-packages/psycopg2/__init__.py:144: UserWarning: The psycopg2 wheel package will be renamed from release 2.8; in order to keep installing from binary please use "pip install psycopg2-binary" instead. For details see: <http://initd.org/psycopg/docs/install.html#binary-install-from-pypi>.  """)Traceback (most recent call last):  File "/Applications/PyCharm.app/Contents/helpers/pycharm/django_manage.py", line 52, in <module>    run_command()  File "/Applications/PyCharm.app/Contents/helpers/pycharm/django_manage.py", line 46, in run_command    run_module(manage_file, None, '__main__', True)  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/runpy.py", line 205, in run_module    return _run_module_code(code, init_globals, run_name, mod_spec)  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/runpy.py", line 96, in _run_module_code    mod_name, mod_spec, pkg_name, script_name)  File "/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/runpy.py", line 85, in _run_code    exec(code, run_globals)  File "/Users/davea/Documents/workspace/mainpage_project/manage.py", line 15, in <module>    execute_from_command_line(sys.argv)收集yaml  Could not find a version that satisfies the requirement yaml (from versions: )No matching distribution found for yaml如何為 PyCharm 安裝 Yaml？