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-rw-r--r--pySim/commands.py4
1 files changed, 3 insertions, 1 deletions
diff --git a/pySim/commands.py b/pySim/commands.py
index 5842676..0e449e6 100644
--- a/pySim/commands.py
+++ b/pySim/commands.py
@@ -22,6 +22,8 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
+from pySim.utils import rpad, b2h
+
class SimCardCommands(object):
def __init__(self, transport):
@@ -90,4 +92,4 @@ class SimCardCommands(object):
def verify_chv(self, chv_no, code):
fc = rpad(b2h(code), 16)
- return self.send_apdu('a02000' + ('%02x' % chv_no) + '08' + fc)
+ return self._tp.send_apdu('a02000' + ('%02x' % chv_no) + '08' + fc)