Apply suggestions from code review

Co-authored-by: Marco Gario  <marcogario@github.com>

python-setup/extractor_version.py

@@ -30,7 +30,6 @@ def suppress_stdout_stderr():
 
 
 def get_extractor_version(codeql_base_dir: str, quiet: bool = True) -> int:
-
     extractor_dir = os.path.join(codeql_base_dir, 'python', 'tools')
     sys.path = [extractor_dir] + sys.path
 
@@ -50,4 +49,4 @@ def get_extractor_version(codeql_base_dir: str, quiet: bool = True) -> int:
 if __name__ == "__main__":
     codeql_base_dir = sys.argv[1]
     version = get_extractor_version(codeql_base_dir)
-    print('{!r}'.format(version))
+    print('{!r}'.format(version))

python-setup/install_tools.sh

@@ -21,7 +21,7 @@ python3 -m pip install --user virtualenv
 # venv is required for installation of poetry or pipenv (I forgot which)
 sudo apt-get install -y python3-venv
 
-# We're install poetry with pip instead of the recommended way, since the recommended way
+# We install poetry with pip instead of the recommended way, since the recommended way
 # caused some problem since `poetry run` gives output like:
 #
 #     /root/.poetry/lib/poetry/_vendor/py2.7/subprocess32.py:149: RuntimeWarning: The _posixsubprocess module is not being used. Child process reliability may suffer if your program uses threads.