Inherit sig_version from client by default

Author: jpringle03

duo_client/admin.py

@@ -218,15 +218,14 @@ class Admin(client.Client):
     account_id = None
     sig_version = 5
 
-    def api_call(self, method, path, params, sig_version=sig_version):
+    def api_call(self, method, path, params):
         if self.account_id is not None:
             params['account_id'] = self.account_id
 
         return super(Admin, self).api_call(
             method,
             path,
             params,
-            sig_version=sig_version
         )
 
 

duo_client/client.py

@@ -207,6 +207,7 @@ def to_list(value):
 
 
 class Client(object):
+    sig_version = 2
 
     def __init__(self, ikey, skey, host,
                  ca_certs=DEFAULT_CA_CERTS,
@@ -215,7 +216,7 @@ def __init__(self, ikey, skey, host,
                  timeout=socket._GLOBAL_DEFAULT_TIMEOUT,
                  paging_limit=100,
                  digestmod=hashlib.sha512,
-                 sig_version=2,
+                 sig_version=None,
                  port=None
                  ):
         """
@@ -233,7 +234,8 @@ def __init__(self, ikey, skey, host,
         self.set_proxy(host=None, proxy_type=None)
         self.paging_limit = paging_limit
         self.digestmod = digestmod
-        self.sig_version = sig_version
+        if sig_version is not None:
+            self.sig_version = sig_version
 
         # Constants for handling rate limit backoff and retries
         self._MAX_BACKOFF_WAIT_SECS = 32