diff --git a/README.md b/README.md
new file mode 100644
index 00000000..e69de29b
diff --git a/flask_oauthlib/__init__.py b/flask_oauthlib/__init__.py
index a8d492e3..b5a3b256 100644
--- a/flask_oauthlib/__init__.py
+++ b/flask_oauthlib/__init__.py
@@ -11,7 +11,8 @@
     :license: BSD, see LICENSE for more details.
 """
 
-__version__ = "0.9.6"
+
+__version__ = "10.0.0"
 __author__ = "Hsiaoming Yang <me@lepture.com>"
 __homepage__ = 'https://github.com/lepture/flask-oauthlib'
 __license__ = 'BSD'
diff --git a/flask_oauthlib/provider/oauth2.py b/flask_oauthlib/provider/oauth2.py
index 14a57af2..d212c85b 100644
--- a/flask_oauthlib/provider/oauth2.py
+++ b/flask_oauthlib/provider/oauth2.py
@@ -8,17 +8,23 @@
     :copyright: (c) 2013 - 2014 by Hsiaoming Yang.
 """
 
-import os
-import logging
 import datetime
+import logging
+import os
 from functools import wraps
-from flask import request, url_for
+
 from flask import redirect, abort
+
+from flask import request, url_for
+
 from werkzeug.utils import import_string, cached_property
+
 from oauthlib import oauth2
+from oauthlib.common import add_params_to_uri
 from oauthlib.oauth2 import RequestValidator, Server
-from oauthlib.common import to_unicode, add_params_to_uri
-from ..utils import extract_params, decode_base64, create_response
+from werkzeug.utils import import_string, cached_property
+
+from ..utils import extract_params, create_response
 
 __all__ = ('OAuth2Provider', 'OAuth2RequestValidator')
 
@@ -154,10 +160,10 @@ def validate_client_id(self, client_id):
             )
 
         if hasattr(self, '_clientgetter') and \
-           hasattr(self, '_tokengetter') and \
-           hasattr(self, '_tokensetter') and \
-           hasattr(self, '_grantgetter') and \
-           hasattr(self, '_grantsetter'):
+                hasattr(self, '_tokengetter') and \
+                hasattr(self, '_tokensetter') and \
+                hasattr(self, '_grantgetter') and \
+                hasattr(self, '_grantsetter'):
 
             usergetter = None
             if hasattr(self, '_usergetter'):
@@ -412,6 +418,7 @@ def authorize(*args, **kwargs):
                 confirm = request.form.get('confirm', 'no')
                 return confirm == 'yes'
         """
+
         @wraps(f)
         def decorated(*args, **kwargs):
             # raise if server not implemented
@@ -437,7 +444,7 @@ def decorated(*args, **kwargs):
                     state = request.values.get('state')
                     if state and not e.state:
                         e.state = state  # set e.state so e.in_uri() can add the state query parameter to redirect uri
-                    return self._on_exception(e, e.in_uri(redirect_uri))
+                    return self._on_exception(e, e.in_uri(self.error_uri))
 
                 except Exception as e:
                     log.exception(e)
@@ -461,7 +468,7 @@ def decorated(*args, **kwargs):
                 state = request.values.get('state')
                 if state and not e.state:
                     e.state = state  # set e.state so e.in_uri() can add the state query parameter to redirect uri
-                return self._on_exception(e, e.in_uri(redirect_uri))
+                return self._on_exception(e, e.in_uri(self.error_uri))
 
             if not isinstance(rv, bool):
                 # if is a response or redirect
@@ -470,9 +477,10 @@ def decorated(*args, **kwargs):
             if not rv:
                 # denied by user
                 e = oauth2.AccessDeniedError(state=request.values.get('state'))
-                return self._on_exception(e, e.in_uri(redirect_uri))
-              
+                return self._on_exception(e, e.in_uri(self.error_uri))
+
             return self.confirm_authorization_request()
+
         return decorated
 
     def confirm_authorization_request(self):
@@ -501,7 +509,7 @@ def confirm_authorization_request(self):
             return self._on_exception(e, e.in_uri(self.error_uri))
         except oauth2.OAuth2Error as e:
             log.debug('OAuth2Error: %r', e, exc_info=True)
-            
+
             # on auth error, we should preserve state if it's present according to RFC 6749
             state = request.values.get('state')
             if state and not e.state:
@@ -544,6 +552,7 @@ def token_handler(self, f):
             def access_token():
                 return None
         """
+
         @wraps(f)
         def decorated(*args, **kwargs):
             server = self.server
@@ -554,6 +563,7 @@ def decorated(*args, **kwargs):
                 uri, http_method, body, headers, credentials
             )
             return create_response(*ret)
+
         return decorated
 
     def revoke_handler(self, f):
@@ -573,6 +583,7 @@ def revoke_token():
 
         .. _`RFC7009`: http://tools.ietf.org/html/rfc7009
         """
+
         @wraps(f)
         def decorated(*args, **kwargs):
             server = self.server
@@ -586,10 +597,12 @@ def decorated(*args, **kwargs):
             ret = server.create_revocation_response(
                 uri, headers=headers, body=body, http_method=http_method)
             return create_response(*ret)
+
         return decorated
 
     def require_oauth(self, *scopes):
         """Protect resource with specified scopes."""
+
         def wrapper(f):
             @wraps(f)
             def decorated(*args, **kwargs):
@@ -610,7 +623,9 @@ def decorated(*args, **kwargs):
                     return abort(401)
                 request.oauth = req
                 return f(*args, **kwargs)
+
             return decorated
+
         return wrapper
 
 
@@ -623,6 +638,7 @@ class OAuth2RequestValidator(RequestValidator):
     :param grantgetter: a function to get grant token
     :param grantsetter: a function to save grant token
     """
+
     def __init__(self, clientgetter, tokengetter, grantgetter,
                  usergetter=None, tokensetter=None, grantsetter=None):
         self._clientgetter = clientgetter
@@ -673,6 +689,7 @@ def client_authentication_required(self, request, *args, **kwargs):
         .. _`Section 4.1.3`: http://tools.ietf.org/html/rfc6749#section-4.1.3
         .. _`Section 6`: http://tools.ietf.org/html/rfc6749#section-6
         """
+
         def is_confidential(client):
             if hasattr(client, 'is_confidential'):
                 return client.is_confidential
@@ -900,7 +917,7 @@ def validate_code(self, client_id, code, client, request, *args, **kwargs):
             log.debug('Grant not found.')
             return False
         if hasattr(grant, 'expires') and \
-           datetime.datetime.utcnow() > grant.expires:
+                datetime.datetime.utcnow() > grant.expires:
             log.debug('Grant is expired.')
             return False
 
diff --git a/install-poetry.sh b/install-poetry.sh
new file mode 100644
index 00000000..5b2e7f03
--- /dev/null
+++ b/install-poetry.sh
@@ -0,0 +1,20 @@
+venv/Scripts/python -m ensurepip --upgrade
+venv/Scripts/python -m pip install pip setuptools wheel -U
+venv/Scripts/python -m pip install -r requirements.txt -U
+
+venv/Scripts/python -m pip install poetry twine -U
+#
+venv/Scripts/poetry config repositories.pypiserver https://pypiserver.thinktalentws48.click/simple/
+venv/Scripts/poetry config http-basic.pypiserver devops 13972684
+venv/Scripts/poetry source add --secondary pypiserver https://pypiserver.thinktalentws48.click/simple/
+venv/Scripts/poetry config http-basic.pypiserver devops 13972684
+venv/Scripts/poetry config --list
+venv/Scripts/poetry config virtualenvs.in-project true
+#venv/Scripts/poetry run pip install -r requirements.txt
+#
+#
+#rm -rf build/ dist/ encryption_util.egg-info/
+#venv/Scripts/python -m build
+##venv/Scripts/poetry build
+##venv/Scripts/poetry publish --repository pypiserver
+#twine upload -r local --username devops --password 13972684 --repository-url https://pypiserver.thinktalentws48.click dist/*
\ No newline at end of file
diff --git a/install.sh b/install.sh
new file mode 100644
index 00000000..80dd9b48
--- /dev/null
+++ b/install.sh
@@ -0,0 +1,11 @@
+venv/Scripts/python -m ensurepip --upgrade
+venv/Scripts/python -m pip install pip setuptools wheel -U
+venv/Scripts/python -m pip install -r requirements.txt -U
+venv/Scripts/python -m pip install twine -U
+venv/Scripts/python -m pip list
+#venv/Scripts/python -m pip list -o
+#venv/Scripts/python -m pip freeze
+
+rm -rf build/ dist/ encryption_util.egg-info/
+venv/Scripts/python -m build
+venv/Scripts/twine upload -r local --username devops --password 13972684 --repository-url https://pypiserver.thinktalentws48.click dist/*
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 00000000..1f3c3013
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,26 @@
+[tool.poetry]
+name = "flask-oauthlib"
+version = "10.0.1"
+description = ""
+authors = ["Devops <devops@thinktalentindia.com>"]
+readme = "README.md"
+packages = [{ include = "flask_oauthlib" }]
+
+[tool.poetry.dependencies]
+python = "^3.10"
+oauthlib = "2.0.6"
+flask = "^3.0.3"
+mock = "^5.1.0"
+flask-sqlalchemy = "^3.1.1"
+cachelib = "0.1.1"
+requests-oauthlib = "^1.3.0"
+
+
+[[tool.poetry.source]]
+name = "pypiserver"
+url = "https://pypiserver.thinktalentws48.click/simple/"
+priority = "secondary"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"
diff --git a/requirements.sh b/requirements.sh
new file mode 100644
index 00000000..1a278e6f
--- /dev/null
+++ b/requirements.sh
@@ -0,0 +1,6 @@
+#venv/Scripts/poetry add oauthlib==2.0.6
+#venv/Scripts/poetry add flask
+#venv/Scripts/poetry add mock
+venv/Scripts/poetry add requests-oauthlib
+#venv/Scripts/poetry add Flask-SQLAlchemy
+#venv/Scripts/poetry add cachelib==0.1.1
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index 47c2c60e..d5628528 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,6 +1,13 @@
-Flask>=0.12.3
-mock==2.0.0
+# Flask>=0.12.3
+# mock==2.0.0
 oauthlib==2.0.6
-requests-oauthlib==0.8.0
-Flask-SQLAlchemy==2.1
+
+# requests-oauthlib==0.8.0
+# Flask-SQLAlchemy==2.1
+Flask
+mock
+# oauthlib
+requests-oauthlib
+Flask-SQLAlchemy
 cachelib==0.1.1
+