Update usage of ixmp.config.get() in GAMSModel (per iiasa/ixmp#435)

iiasa · Feb 9, 2022 · 1934504 · 1934504
1 parent f025910
commit 1934504
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/message_ix/models.py b/message_ix/models.py
@@ -335,7 +335,7 @@ def __init__(self, name=None, **model_options):
         # Update the default options with any user-provided options
         model_options.setdefault("model_dir", config.get("message model dir"))
         self.cplex_opts = copy(DEFAULT_CPLEX_OPTIONS)
-        self.cplex_opts.update(config.get("message solve options"))
+        self.cplex_opts.update(config.get("message solve options") or dict())
         self.cplex_opts.update(model_options.pop("solve_options", {}))
 
         super().__init__(name, **model_options)