Emulate conda activate

Author: Kevin D Smith

tox.ini

@@ -19,8 +19,8 @@ whitelist_externals =
 
 [testenv]
 # Emulate path settings of 'conda activate'
-#setenv =
-#     PATH = {envdir}{:}{envdir}/Library/bin{:}{envdir}/Library/mingw-w64/bin{:}{envdir}/Library/usr/bin{:}{envdir}/Scripts{:}{envbindir}{:}/usr/bin{:}/bin
+setenv =
+    PATH = {envdir}{:}{envdir}/Library/mingw-w64/bin{:}{envdir}/Library/usr/bin{:}{envdir}/Library/bin{:}{envdir}/Scripts{:}{envdir}/bin{:}{env:PATH}
 passenv =
     CASURL
     CAS_URL