Upgraded pip version and general code improvements

Author: sunil-lakshman

contentstack/__init__.py

@@ -10,6 +10,15 @@
 from contentstack.stack import Stack
 from .utility import Utils
 
+__all__ = (
+"Entry",
+"Asset",
+"ContentType",
+"HTTPSConnection",
+"Stack",
+"Utils"
+)
+
 __title__ = 'contentstack-delivery-python'
 __author__ = 'contentstack'
 __status__ = 'debug'

contentstack/stack.py

@@ -8,11 +8,6 @@
 from contentstack.contenttype import ContentType
 from contentstack.https_connection import HTTPSConnection
 from contentstack.image_transform import ImageTransform
-from contentstack import __author__
-from contentstack import __developer_email__
-from contentstack import __license__
-from contentstack import __version__
-
 
 log = logging.getLogger(__name__)
 DEFAULT_HOST = 'cdn.contentstack.io'

requirements.txt

@@ -8,7 +8,7 @@ tox==4.5.1
 virtualenv==20.23.0
 Sphinx==7.0.1
 sphinxcontrib-websupport==1.2.4
-pip==23.1.2
+pip==23.3.1
 build==0.10.0
 wheel==0.40.0
 lxml==4.9.2