Changed error message to deprecation warning

legend-exp · Jan 7, 2025 · 136e2a7 · 136e2a7
1 parent 2499ef9
commit 136e2a7
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/legendmeta/core.py b/src/legendmeta/core.py
@@ -153,8 +153,10 @@ def channelmap(
                 system = "all"
 
         if system is None:
-            msg = "System cannot be None. Provide a value (e.g. 'all', 'cal', 'phy', etc.)"
-            raise ValueError(msg)
+            msg = "Use of channelmap with an on arg but no system arg is deprecated and will raise an error in the future. Provide a value (e.g. 'all', 'cal', 'phy', etc.)"
+            log.warning(msg)
+            #msg = "System cannot be None. Provide a value (e.g. 'all', 'cal', 'phy', etc.)"
+            #raise ValueError(msg)
 
         try:
             pd, run = re.fullmatch("([pP][0-9]+)\\s*([rR][0-9]+)", on).group(1, 2)