Exception:
Traceback (most recent call last):
File "/home/djangogirls/myvenv/lib/python3.6/site-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/home/djangogirls/myvenv/lib/python3.6/site-packages/pip/commands/install.py", line 360, in run
prefix=options.prefix_path,
File "/home/djangogirls/myvenv/lib/python3.6/site-packages/pip/req/req_set.py", line 784, in install
**kwargs
File "/home/djangogirls/myvenv/lib/python3.6/site-packages/pip/req/req_install.py", line 851, in install
self.move_wheel_files(self.source_dir, root=root, prefix=prefix)
File "/home/djangogirls/myvenv/lib/python3.6/site-packages/pip/req/req_install.py", line 1064, in move_wheel_files
isolated=self.isolated,
File "/home/djangogirls/myvenv/lib/python3.6/site-packages/pip/wheel.py", line 345, in move_wheel_files
clobber(source, lib_dir, True)
File "/home/djangogirls/myvenv/lib/python3.6/site-packages/pip/wheel.py", line 316, in clobber
ensure_dir(destdir)
File "/home/djangogirls/myvenv/lib/python3.6/site-packages/pip/utils/__init__.py", line 83, in ensure_dir
os.makedirs(path)
File "/usr/lib/python3.6/os.py", line 220, in makedirs
mkdir(name, mode)
PermissionError: [Errno 13] Permission denied: ‘/home/djangogirls/myvenv/lib/python3.6/site-packages/django‘

Slove:sudo chown -R astro:astro /home/djangogirls

Done!

Python Django install Error