make F2 lyot_stop() descriptor return None instead of "Undefined"

GeminiDRSoftware · Apr 3, 2024 · bee8e73 · bee8e73
1 parent 8f2f902
commit bee8e73
Showing 1 changed file with 4 additions and 5 deletions.
diff --git a/gemini_instruments/f2/adclass.py b/gemini_instruments/f2/adclass.py
@@ -566,12 +566,11 @@ def lyot_stop(self):
         -------
         str
             LYOT filter name, or None
-
         """
-        lyot = self.phu.get('LYOT', None)
-        if lyot:
-            return lyot
-        return self.phu.get('LYOTPOS', None)
+        lyot = self.phu.get('LYOT', self.phu.get('LYOTPOS', None))
+        if lyot == "Undefined":
+            lyot = None
+        return lyot
 
     @returns_list
     @astro_data_descriptor