pylint: cards.py

pySim/cards.py:30:0: W0401: Wildcard import pySim.utils (wildcard-import)
pySim/cards.py:41:8: R1705: Unnecessary "else" after "return", remove the "else" and de-indent the code inside it (no-else-return)
pySim/cards.py:55:4: R1711: Useless return at end of function or method (useless-return)
pySim/cards.py:78:8: R1725: Consider using Python 3 style super() without arguments (super-with-arguments)
pySim/cards.py:91:8: R1725: Consider using Python 3 style super() without arguments (super-with-arguments)
pySim/cards.py:159:12: R1705: Unnecessary "else" after "return", remove the "else" and de-indent the code inside it (no-else-return)
pySim/cards.py:28:0: C0411: standard import "import abc" should be placed before "from pySim.ts_102_221 import EF_DIR" (wrong-import-order)
pySim/cards.py:25:0: W0611: Unused Dict imported from typing (unused-import)
pySim/cards.py:28:0: W0611: Unused import abc (unused-import)

Change-Id: I708da28caffb417ed2f8413f9611526b18b29cd4
diff --git a/pySim/cards.py b/pySim/cards.py
index 4573616..802c921 100644
--- a/pySim/cards.py
+++ b/pySim/cards.py
@@ -22,10 +22,9 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 
-from typing import Optional, Dict, Tuple
+from typing import Optional, Tuple
 from pySim.ts_102_221 import EF_DIR
 from pySim.ts_51_011 import DF_GSM
-import abc
 
 from pySim.utils import *
 from pySim.commands import Path, SimCardCommands
@@ -40,8 +39,7 @@
         rc = self._scc.reset_card()
         if rc == 1:
             return self._scc.get_atr()
-        else:
-            return None
+        return None
 
     def set_apdu_parameter(self, cla: Hexstr, sel_ctrl: Hexstr) -> None:
         """Set apdu parameters (class byte and selection control bytes)"""
@@ -54,7 +52,6 @@
 
     def erase(self):
         print("warning: erasing is not supported for specified card type!")
-        return
 
     def file_exists(self, fid: Path) -> bool:
         res_arr = self._scc.try_select_path(fid)
@@ -75,7 +72,7 @@
     name = 'SIM'
 
     def __init__(self, scc: SimCardCommands):
-        super(SimCardBase, self).__init__(scc)
+        super().__init__(scc)
         self._scc.cla_byte = "A0"
         self._scc.sel_ctrl = "0000"
 
@@ -88,7 +85,7 @@
     name = 'UICC'
 
     def __init__(self, scc: SimCardCommands):
-        super(UiccCardBase, self).__init__(scc)
+        super().__init__(scc)
         self._scc.cla_byte = "00"
         self._scc.sel_ctrl = "0004"  # request an FCP
         # See also: ETSI TS 102 221, Table 9.3
@@ -158,9 +155,8 @@
             aid_full = self._complete_aid(aid)
             if aid_full:
                 return scc.select_adf(aid_full)
-            else:
-                # If we cannot get the full AID, try with short AID
-                return scc.select_adf(aid)
+            # If we cannot get the full AID, try with short AID
+            return scc.select_adf(aid)
         return (None, None)
 
 def card_detect(scc: SimCardCommands) -> Optional[CardBase]: