commit a42a8e63d88b120c5aa105b14e342938f995846c
Author: tushargite96 <tushargite96@gmail.com>
Date:   Tue Sep 8 15:38:19 2020 +0530

    Stop configuring install_command in tox.
    
    It turns out that this is the the default value provided by tox:
    
    https://tox.readthedocs.io/en/latest/config.html#conf-install_command
    
    So we can remove the line and simply use the default value.
    
    Change-Id: I16c194c0ee46668e2846ed36763cc14388881ba7

diff --git a/tox.ini b/tox.ini
index 3459c10..cabdb4d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,7 +16,6 @@ setenv = VIRTUAL_ENV={envdir}
          OS_TEST_TIMEOUT=60
          OS_TEST_PATH=./cinder/tests/unit
 usedevelop = True
-install_command = pip install {opts} {packages}
 
 deps = -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
         -r{toxinidir}/test-requirements.txt