do not allow cclib 1.8.0

Author: JacksonBurns

environment.yml

@@ -42,7 +42,7 @@ dependencies:
   - coolprop
   - cantera::cantera=2.6
   - conda-forge::mopac
-  - conda-forge::cclib >=1.6.3
+  - conda-forge::cclib >=1.6.3,!=1.8.0
   - conda-forge::openbabel >= 3
 
 # general-purpose external software tools