Only print set_diff if has contents

MilesCranmer · Nov 21, 2022 · b4abede · b4abede
1 parent 4300bea
commit b4abede
Showing 1 changed file with 6 additions and 5 deletions.
diff --git a/pysr/julia_helpers.py b/pysr/julia_helpers.py
@@ -197,11 +197,12 @@ def init_julia(julia_project=None, quiet=False, julia_kwargs=None):
             set_diff = new_set - init_set
             # Remove the `compiled_modules` key, since it is not a user-specified kwarg:
             set_diff = {k: v for k, v in set_diff if k != "compiled_modules"}
-            warnings.warn(
-                "Julia has already started. The new Julia options "
-                + str(set_diff)
-                + " will be ignored."
-            )
+            if len(set_diff) > 0:
+                warnings.warn(
+                    "Julia has already started. The new Julia options "
+                    + str(set_diff)
+                    + " will be ignored."
+                )
 
     if julia_initialized:
         Main.eval("using Pkg")