SyntaxError: invalid syntax

When I try to run script for installing bot i always get this error can somebody help please:

SyntaxError: invalid syntax
There was a problem installing InstaPy, please copy the error message and create an issue here: https://github.com/InstaPy/instapy-quickstart/issues

Full logs:

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/Users/jakubtabak/Downloads/instapy-quickstart-master/installation/MacOs/install.command ; exit;
MacBook-Pro-uzivatela-Jakub:~ jakubtabak$ /Users/jakubtabak/Downloads/instapy-quickstart-master/installation/MacOs/install.command ; exit;
/Users/jakubtabak/Downloads/instapy-quickstart-master/installation/MacOs/install.command: line 3: [: !=: unary operator expected
Python is installed
====================
Pip is installed
====================
Chrome is installed
====================
Installing InstaPy...
Traceback (most recent call last):
File "/usr/local/bin/pip", line 11, in
load_entry_point('pip==21.0', 'console_scripts', 'pip')()
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 489, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 2843, in load_entry_point
return ep.load()
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 2434, in load
return self.resolve()
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 2440, in resolve
module = __import__(self.module_name, fromlist=['__name__'], level=0)
File "/Library/Python/2.7/site-packages/pip-21.0-py2.7.egg/pip/_internal/cli/main.py", line 60
sys.stderr.write(f"ERROR: {exc}")
^
SyntaxError: invalid syntax
====================
Traceback (most recent call last):
File "/usr/local/bin/pip", line 11, in
load_entry_point('pip==21.0', 'console_scripts', 'pip')()
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 489, in load_entry_point
return get_distribution(dist).load_entry_point(group, name)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 2843, in load_entry_point
return ep.load()
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 2434, in load
return self.resolve()
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources/__init__.py", line 2440, in resolve
module = __import__(self.module_name, fromlist=['__name__'], level=0)
File "/Library/Python/2.7/site-packages/pip-21.0-py2.7.egg/pip/_internal/cli/main.py", line 60
sys.stderr.write(f"ERROR: {exc}")
^
SyntaxError: invalid syntax
There was a problem installing InstaPy, please copy the error message and create an issue here: https://github.com/InstaPy/instapy-quickstart/issues

You can also manually install InstaPy with this guide: https://github.com/timgrossmann/InstaPy

Sorry for the inconveniences
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