cosmetic: remove excess linebreaks

We should not use double-line breaks to separate things as it is very
difficult to maintain consistence with that scheme.

pySim/transport/__init__.py

@@ -25,7 +25,6 @@ import argparse
 from typing import Optional, Tuple
 from construct import Construct
 from osmocom.utils import b2h, h2b, i2h, Hexstr
-
 from pySim.exceptions import *
 from pySim.utils import SwHexstr, SwMatchstr, ResTuple, sw_match, parse_command_apdu
 from pySim.cat import ProactiveCommand, CommandDetails, DeviceIdentities, Result
@@ -244,7 +243,6 @@ class LinkBase(abc.ABC):
             raise SwMatchError(rv[1], sw.lower(), self.sw_interpreter)
         return rv
 
-
 class LinkBaseTpdu(LinkBase):
 
     # Use the T=0 TPDU format by default as this is the most commonly used transport protocol.
@@ -373,7 +371,6 @@ def argparse_add_reader_args(arg_parser: argparse.ArgumentParser):
 
     return arg_parser
 
-
 def init_reader(opts, **kwargs) -> LinkBase:
     """
     Init card reader driver