Merge branch 'psi4_fix' into 'master'

Psi4 fix

See merge request !1546
5 jobs for master in 7 minutes and 13 seconds
Status Job ID Name Coverage
  Test
manual #370863757
allowed to fail manual
distribution_package
passed #370863756
docs_test

00:07:13

passed #370863754
python_3_oldlibs_tests

00:04:56

passed #370863755
python_3_tests

00:06:42

 
  External
passed continuous-integration/appveyor/branch