diff --git a/.gitignore b/.gitignore
index a97f78e..a8abaee 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+.envrc
 *.swp
 *.sqlite
 
diff --git a/djautotask/__init__.py b/djautotask/__init__.py
index f5747bc..f6c875d 100644
--- a/djautotask/__init__.py
+++ b/djautotask/__init__.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-VERSION = (1, 5, 2, 'final')
+VERSION = (1, 5, 3, 'final')
 
 # pragma: no cover
 if VERSION[-1] != "final":
diff --git a/djautotask/api.py b/djautotask/api.py
index f715981..aeaf5e6 100644
--- a/djautotask/api.py
+++ b/djautotask/api.py
@@ -292,12 +292,11 @@ def __init__(
         if not password:
             password = settings.AUTOTASK_CREDENTIALS['password']
         if not integration_code:
-            integration_code = settings.AUTOTASK_CREDENTIALS[
-                'integration_code'
-            ]
+            integration_code = \
+                settings.AUTOTASK_CREDENTIALS['integration_code']
         if not rest_api_version:
-            rest_api_version = settings.AUTOTASK_CREDENTIALS[
-                'rest_api_version']
+            rest_api_version = \
+                settings.AUTOTASK_CREDENTIALS['rest_api_version']
         if not server_url:
             server_url = get_api_connection_url()
 
@@ -321,7 +320,7 @@ def __init__(
     def api_base_url(self):
         return '{0}v{1}/'.format(
             self.server_url,
-            settings.AUTOTASK_CREDENTIALS['rest_api_version'],
+            self.rest_api_version,
         )
 
     def get_api_url(self, endpoint=None):