pipでインストールしたtensorflowの削除

pip install tensorflow でインストールしたものの動かなかったので以下のサイトを参考にしてconda install tensorflowをしてみようと思いました。
https://qiita.com/sug4r/items/976e4be79848eda6f49f

そこでまずpipで入れたものを消そうとpip uninstall tensorflow
を試したところエラーが出ました。アンインストールでエラーが出てしまうというのが不思議です。

Found
1Uninstalling tensorflow-2.2.0:
2  Would remove:
3    /usr/local/lib/python3.7/site-packages/tensorflow-2.2.0.dist-info/*
4    /usr/local/lib/python3.7/site-packages/tensorflow/*
5Proceed (y/n)? y
6ERROR: Exception:
7Traceback (most recent call last):
8  File "/usr/local/Cellar/python/3.7.7/Frameworks/Python.framework/Versions/3.7/lib/python3.7/shutil.py", line 566, in move
9    os.rename(src, real_dst)
10PermissionError: [Errno 13] Permission denied: '/usr/local/lib/python3.7/site-packages/tensorflow-2.2.0.dist-info/' -> '/usr/local/lib/python3.7/site-packages/~~nsorflow-2.2.0.dist-info'
11
12During handling of the above exception, another exception occurred:
13
14Traceback (most recent call last):
15  File "/usr/local/lib/python3.7/site-packages/pip/_internal/cli/base_command.py", line 188, in _main
16    status = self.run(options, args)
17  File "/usr/local/lib/python3.7/site-packages/pip/_internal/commands/uninstall.py", line 86, in run
18    auto_confirm=options.yes, verbose=self.verbosity > 0,
19  File "/usr/local/lib/python3.7/site-packages/pip/_internal/req/req_install.py", line 676, in uninstall
20    uninstalled_pathset.remove(auto_confirm, verbose)
21  File "/usr/local/lib/python3.7/site-packages/pip/_internal/req/req_uninstall.py", line 394, in remove
22    moved.stash(path)
23  File "/usr/local/lib/python3.7/site-packages/pip/_internal/req/req_uninstall.py", line 283, in stash
24    renames(path, new_path)
25  File "/usr/local/lib/python3.7/site-packages/pip/_internal/utils/misc.py", line 349, in renames
26    shutil.move(old, new)
27  File "/usr/local/Cellar/python/3.7.7/Frameworks/Python.framework/Versions/3.7/lib/python3.7/shutil.py", line 578, in move
28    rmtree(src)
29  File "/usr/local/Cellar/python/3.7.7/Frameworks/Python.framework/Versions/3.7/lib/python3.7/shutil.py", line 494, in rmtree
30    _rmtree_safe_fd(fd, path, onerror)
31  File "/usr/local/Cellar/python/3.7.7/Frameworks/Python.framework/Versions/3.7/lib/python3.7/shutil.py", line 452, in _rmtree_safe_fd
32    onerror(os.unlink, fullname, sys.exc_info())
33  File "/usr/local/Cellar/python/3.7.7/Frameworks/Python.framework/Versions/3.7/lib/python3.7/shutil.py", line 450, in _rmtree_safe_fd
34    os.unlink(entry.name, dir_fd=topfd)
35PermissionError: [Errno 13] Permission denied: 'entry_points.txt'
36
37コード