Replaced pytz with utc_offset

poetry.lock

@@ -664,14 +664,6 @@ python-versions = ">=3.5"
 [package.extras]
 cli = ["click (>=5.0)"]
 
-[[package]]
-name = "pytz"
-version = "2022.4"
-description = "World timezone definitions, modern and historical"
-category = "main"
-optional = false
-python-versions = "*"
-
 [[package]]
 name = "PyYAML"
 version = "5.4.1"
@@ -933,7 +925,7 @@ testing = ["func-timeout", "jaraco.itertools", "pytest (>=4.6)", "pytest-black (
 [metadata]
 lock-version = "1.1"
 python-versions = "^3.10 | ^3.9 | ^3.8 | ^3.7"
-content-hash = "401fa2739c9209df26cb1b2defaf90c5a4fcdafacc8eb2627f8d324857870281"
+content-hash = "2db4d8b644c07a599b10ecdd1d532f8fce5dea7afa0332cbebc9a37223f79ed4"
 
 [metadata.files]
 aiofiles = [
@@ -1466,10 +1458,6 @@ python-dotenv = [
     {file = "python-dotenv-0.19.0.tar.gz", hash = "sha256:f521bc2ac9a8e03c736f62911605c5d83970021e3fa95b37d769e2bbbe9b6172"},
     {file = "python_dotenv-0.19.0-py2.py3-none-any.whl", hash = "sha256:aae25dc1ebe97c420f50b81fb0e5c949659af713f31fdb63c749ca68748f34b1"},
 ]
-pytz = [
-    {file = "pytz-2022.4-py2.py3-none-any.whl", hash = "sha256:2c0784747071402c6e99f0bafdb7da0fa22645f06554c7ae06bf6358897e9c91"},
-    {file = "pytz-2022.4.tar.gz", hash = "sha256:48ce799d83b6f8aab2020e369b627446696619e79645419610b9facd909b3174"},
-]
 PyYAML = [
     {file = "PyYAML-5.4.1-cp27-cp27m-macosx_10_9_x86_64.whl", hash = "sha256:3b2b1824fe7112845700f815ff6a489360226a5609b96ec2190a45e62a9fc922"},
     {file = "PyYAML-5.4.1-cp27-cp27m-win32.whl", hash = "sha256:129def1b7c1bf22faffd67b8f3724645203b79d8f4cc81f674654d9902cb4393"},