Create env install fix

[lgtm-com[bot]]

This pull request introduces 3 alerts and fixes 3 when merging 187bc328636e544c8ac79fe43ee8027f8a37e0e8 into 186d900dec69cb09629700eb3f5987b3df8d6e05 - view on LGTM.com

new alerts:

• 2 for Inconsistent definition of copy constructor and assignment ('Rule of Two')
• 1 for Use of potentially dangerous function

fixed alerts:

• 2 for Inconsistent definition of copy constructor and assignment ('Rule of Two')
• 1 for Use of potentially dangerous function