fix bad kw

edosl0util/eos.py

@@ -5,7 +5,6 @@ References:
        Document Number 151840, May 1997, Appendix C
        https://directreadout.sci.gsfc.nasa.gov/documents/satellite_gen/MODIS_UG.pdf
 """
-import struct
 
 packet_types = {
     0: "day",
@@ -46,10 +45,11 @@ def pkttype(p):
 
 
 def frame_count(p):
-    x = int.from_bytes(b'\x00\x00' + p.data[:2], 'big')
+    x = int.from_bytes(b"\x00\x00" + p.data[:2], "big")
     if sourceid(p) == "earthdata":
-        return x >> 4 & 0x7ff
-    return x >> 4 & 0x3f
+        return x >> 4 & 0x7FF
+    return x >> 4 & 0x3F
+
 
 # Combination of source ids and packet types to their position within a scan.
 _sort_indexes = {
@@ -62,8 +62,9 @@ _sort_indexes = {
     "eng2": 7,
 }
 
+
 def _modis_sort_key(p):
-    """ Return a tuple that will maintain order for this packet in a stream of
+    """Return a tuple that will maintain order for this packet in a stream of
     MODIS data. Intended to be used as a key func for sorting.
 
     Packets are sorted in the order defined in _sort_indexes.
@@ -73,4 +74,4 @@ def _modis_sort_key(p):
 
 
 def sort_modis(packets):
-    return sorted(packets, key=_sort_key)
\ No newline at end of file
+    return sorted(packets, key=_modis_sort_key)