diff --git a/vinetrimmer/objects/tracks.py b/vinetrimmer/objects/tracks.py
index bbc2f14..97d59d0 100644
--- a/vinetrimmer/objects/tracks.py
+++ b/vinetrimmer/objects/tracks.py
@@ -175,10 +175,10 @@ class Track:
 			# if an m3u, try get from playlist
 			master = m3u8.loads(session.get(as_list(self.url)[0]).text, uri=self.url)
 			for x in master.session_keys:
-				if x and x.keyformat.lower() == "com.microsoft.playready":
+				if x and x.keyformat.lower == "com.microsoft.playready":
 					self.psshPR = x.uri.split(",")[-1]
 					break
-				elif x and x.keyformat.lower() == f"urn:uuid:{uuid.UUID('edef8ba979d64acea3c827dcd51d21ed')}":
+				elif x and x.keyformat.lower == f"urn:uuid:{uuid.UUID('edef8ba979d64acea3c827dcd51d21ed')}":
 					self.psshWV = x.uri.split(",")[-1]
 					break
 			for x in master.keys:
@@ -195,12 +195,12 @@ class Track:
 				xml_str = xml_str[xml_str.index("<"):]
 				xml = load_xml(xml_str).find("DATA")  # root: WRMHEADER
 
-				kid = xml.findtext("KID")  # v4.0.0.0
-				if not kid:  # v4.1.0.0
-					kid = next(iter(xml.xpath("PROTECTINFO/KID/@VALUE")), None)
-				if not kid:  # v4.3.0.0
-					kid = next(iter(xml.xpath("PROTECTINFO/KIDS/KID/@VALUE")), None)  # can be multiple?
-				self.kid = uuid.UUID(base64.b64decode(kid).hex()).bytes_le.hex()
+				self.kid = xml.findtext("KID")  # v4.0.0.0
+				if not self.kid:  # v4.1.0.0
+					self.kid = next(iter(xml.xpath("PROTECTINFO/KID/@VALUE")), None)
+				if not self.kid:  # v4.3.0.0
+					self.kid = next(iter(xml.xpath("PROTECTINFO/KIDS/KID/@VALUE")), None)  # can be multiple?
+				self.kid = uuid.UUID(base64.b64decode(self.kid).hex()).bytes_le.hex()
 			#if not track.psshWV:
 			#	self.psshWV = Box.parse(Box.build(dict(
 			#		type=b"pssh",