Fix --learn base64 to not crash with --durations

Also remove its b'...' wrapping.

broadlink/remote.py

@@ -10,6 +10,10 @@
 
 
 def durations_to_ir_data(durations) -> None:
+    """Convert a microsecond duration sequence into a Broadlink IR packet
+
+    This can then be passed into send_data.
+    """
     result = bytearray()
     result.append(IR_TOKEN)
     result.append(0)
@@ -25,6 +29,10 @@ def durations_to_ir_data(durations) -> None:
 
 
 def data_to_durations(bytes):
+    """Parse a Broadlink packet into a microsecond duration sequence
+
+    Supports both IR and RF.
+    """
     result = []
     # XXX: Should check IR/RF token, repeat and length bytes.
     index = 4

cli/broadlink_cli

@@ -111,17 +111,17 @@ if args.learn or (args.learnfile and not args.rflearn):
         print("No data received...")
         exit(1)
 
-    learned = format_durations(data_to_durations(bytearray(data))) \
+    learned_str = format_durations(data_to_durations(bytearray(data))) \
         if args.durations \
         else ''.join(format(x, '02x') for x in bytearray(data))
     if args.learn:
-        print(learned)
+        print(learned_str)
         decode_hex = codecs.getdecoder("hex_codec")
-        print("Base64: " + str(base64.b64encode(decode_hex(learned)[0])))
+        print("Base64: " + base64.b64encode(data).decode('ascii'))
     if args.learnfile:
         print("Saving to {}".format(args.learnfile))
         with open(args.learnfile, "w") as text_file:
-            text_file.write(learned)
+            text_file.write(learned_str)
 if args.check:
     if dev.check_power():
         print('* ON *')