X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/f98dbb506836eb7cf63b92ed089e12ef51535364..0221901d960f4935240dc7d5e8e44ace748e1223:/lib/python/Components/Converter/FrontendInfo.py

diff --git a/lib/python/Components/Converter/FrontendInfo.py b/lib/python/Components/Converter/FrontendInfo.py
index 35588027..4043a1be 100644
--- a/lib/python/Components/Converter/FrontendInfo.py
+++ b/lib/python/Components/Converter/FrontendInfo.py
@@ -29,7 +29,7 @@ class FrontendInfo(Converter, object):
 
 	@cached
 	def getText(self):
-		assert self.type not in [self.LOCK, self.SLOT_NUMBER], "the text output of FrontendInfo cannot be used for lock info"
+		assert self.type not in (self.LOCK, self.SLOT_NUMBER), "the text output of FrontendInfo cannot be used for lock info"
 		percent = None
 		if self.type == self.BER: # as count
 			count = self.source.ber
@@ -54,7 +54,7 @@ class FrontendInfo(Converter, object):
 
 	@cached
 	def getBool(self):
-		assert self.type in [self.LOCK, self.BER], "the boolean output of FrontendInfo can only be used for lock or BER info"
+		assert self.type in (self.LOCK, self.BER), "the boolean output of FrontendInfo can only be used for lock or BER info"
 		if self.type == self.LOCK:
 			lock = self.source.lock
 			if lock is None:
@@ -92,7 +92,8 @@ class FrontendInfo(Converter, object):
 				return 2
 			return -1
 		elif self.type == self.SLOT_NUMBER:
-			return self.source.slot_number or -1
+			num = self.source.slot_number
+			return num is None and -1 or num
 
 	range = 65536
 	value = property(getValue)