cline -- handle case of trying to retrieve a non-existent default

HiPERCAM · Mar 17, 2021 · 4a064c7 · 4a064c7
1 parent e634a25
commit 4a064c7
Showing 1 changed file with 4 additions and 3 deletions.
diff --git a/hipercam/cline.py b/hipercam/cline.py
@@ -469,17 +469,18 @@ def set_default(self, param, defval):
 
     def get_default(self, param):
         """
-        Gets the current default value of a parameter called 'param'
+        Gets the current default value of a parameter called 'param'. Can come back None
+        if there is no value set.
         """
         if param not in self._rpars:
             raise ClineError(
                 'set_default: parameter = "' + param + '" has not been registered.'
             )
 
         if self._rpars[param]["g_or_l"] == Cline.GLOBAL:
-            defval = self._gpars[param]
+            defval = self._gpars.get(param,None)
         else:
-            defval = self._lpars[param]
+            defval = self._lpars.get(param,None)
         return defval
 
     def get_value(