py23_compat has been removed but it is still used in tests

[mcepl]

This patch needs to be applied:

---
 napalm_asa/asa.py |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

--- a/napalm_asa/asa.py
+++ b/napalm_asa/asa.py
@@ -30,7 +30,6 @@ from collections import OrderedDict
 from netaddr import IPNetwork
 
 from napalm.base import NetworkDriver
-from napalm.base.utils import py23_compat
 from napalm.base.exceptions import (
     ConnectionException,
     CommandErrorException,
@@ -70,7 +69,7 @@ class RespFetcherHttps:
             else:
                 return (False, token_request.status_code)
         except requests.exceptions.RequestException as e:
-            raise ConnectionException(py23_compat.text_type(e))
+            raise ConnectionException(str(e))
 
     def delete_token(self):
         """Delete auth token."""
@@ -85,7 +84,7 @@ class RespFetcherHttps:
             else:
                 return (False, token_delete_request.status_code)
         except requests.exceptions.RequestException as e:
-            raise ConnectionException(py23_compat.text_type(e))
+            raise ConnectionException(str(e))
 
     def get_resp(self, endpoint="", data=None):
         """Get response from device and returne parsed json."""
@@ -103,7 +102,7 @@ class RespFetcherHttps:
 
             return f.json()
         except requests.exceptions.RequestException as e:
-            raise ConnectionException(py23_compat.text_type(e))
+            raise ConnectionException(str(e))
 
 
 class ASADriver(NetworkDriver):