From 2e0d066488adbd4d53234579ee1d1f7ac4cfd3d0 Mon Sep 17 00:00:00 2001
From: Jackson Burns <33505528+JacksonBurns@users.noreply.github.com>
Date: Wed, 17 Apr 2024 09:33:15 -0400
Subject: [PATCH] Limit cclib to sub 2 pending large api changes

see https://github.com/ReactionMechanismGenerator/RMG-Py/pull/2639#issuecomment-2050292972
---
 environment.yml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/environment.yml b/environment.yml
index 64df68a1c2d..a177687380d 100644
--- a/environment.yml
+++ b/environment.yml
@@ -16,6 +16,7 @@
 #   made dependency list more explicit (@JacksonBurns).
 # - October 16, 2023 Switched RDKit and descripatastorus to conda-forge,
 #   moved diffeqpy to pip and (temporarily) removed chemprop
+# - April 17, 2024 Limit versions of cclib at advice of maintainers.
 #
 name: rmg_env
 channels:
@@ -44,7 +45,8 @@ dependencies:
   - coolprop
   - cantera::cantera=2.6
   - conda-forge::mopac
-  - conda-forge::cclib >=1.6.3,<1.8.0
+  # see https://github.com/ReactionMechanismGenerator/RMG-Py/pull/2639#issuecomment-2050292972
+  - conda-forge::cclib >=1.6.3,<1.8.0,<2
   - conda-forge::openbabel >= 3
   - conda-forge::rdkit >=2022.09.1