Add support for custom indexes for query in the DataFrameClient (#785)

Author: rolincova

influxdb/client.py

@@ -860,7 +860,7 @@ def alter_retention_policy(self, name, database=None,
         query_string = (
             "ALTER RETENTION POLICY {0} ON {1}"
         ).format(quote_ident(name),
-                 quote_ident(database or self._database), shard_duration)
+                 quote_ident(database or self._database))
         if duration:
             query_string += " DURATION {0}".format(duration)
         if shard_duration:
@@ -958,7 +958,7 @@ def drop_user(self, username):
         :param username: the username to drop
         :type username: str
         """
-        text = "DROP USER {0}".format(quote_ident(username), method="POST")
+        text = "DROP USER {0}".format(quote_ident(username))
         self.query(text, method="POST")
 
     def set_user_password(self, username, password):

influxdb/helper.py

@@ -82,7 +82,7 @@ def __new__(cls, *args, **kwargs):
             allowed_time_precisions = ['h', 'm', 's', 'ms', 'u', 'ns', None]
             if cls._time_precision not in allowed_time_precisions:
                 raise AttributeError(
-                    'In {0}, time_precision is set, but invalid use any of {}.'
+                    'In {0}, time_precision is set, but invalid use any of {1}.'
                     .format(cls.__name__, ','.join(allowed_time_precisions)))
 
             cls._retention_policy = getattr(_meta, 'retention_policy', None)