Fixed a pep8 warning in the binary module

pupygrib/binary.py

@@ -7,13 +7,15 @@ import struct
 from pupygrib.exceptions import ParseError
 
 
+error = struct.error
+
 _uint8struct = struct.Struct(b'>B')
 _uint16struct = struct.Struct(b'>H')
 _uint24struct = struct.Struct(b'>HB')
 _uint32struct = struct.Struct(b'>I')
 _uint64struct = struct.Struct(b'>Q')
 
-error = struct.error
+_grib1_float_magic = 2**-24
 
 
 def unpack_grib1float_from(buf, offset=0):
@@ -32,8 +34,6 @@ def unpack_grib1float_from(buf, offset=0):
     B = i & 0x00ffffff
     return (-1)**s * _grib1_float_magic * B * 16**(A - 64)
 
-_grib1_float_magic = 2**-24
-
 
 def unpack_int8_from(buf, offset=0):
     """Unpack an 8-bit signed magnitude integer from *buf* at *offset*."""