diff --git a/poetry.lock b/poetry.lock
index d01e5514..b8092273 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,9 +1,10 @@
-# This file is automatically @generated by Poetry 1.5.1 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.4.2 and should not be changed by hand.
 
 [[package]]
 name = "cached-property"
 version = "1.5.2"
 description = "A decorator for caching properties in classes."
+category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -15,6 +16,7 @@ files = [
 name = "chispa"
 version = "0.9.4"
 description = "Pyspark test helper library"
+category = "dev"
 optional = false
 python-versions = ">=3.7,<4.0"
 files = [
@@ -26,6 +28,7 @@ files = [
 name = "click"
 version = "8.1.7"
 description = "Composable command line interface toolkit"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -41,6 +44,7 @@ importlib-metadata = {version = "*", markers = "python_version < \"3.8\""}
 name = "colorama"
 version = "0.4.6"
 description = "Cross-platform colored terminal text."
+category = "dev"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,!=3.4.*,!=3.5.*,!=3.6.*,>=2.7"
 files = [
@@ -52,6 +56,7 @@ files = [
 name = "exceptiongroup"
 version = "1.1.3"
 description = "Backport of PEP 654 (exception groups)"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -66,6 +71,7 @@ test = ["pytest (>=6)"]
 name = "ghp-import"
 version = "2.1.0"
 description = "Copy your docs directly to the gh-pages branch."
+category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -83,6 +89,7 @@ dev = ["flake8", "markdown", "twine", "wheel"]
 name = "griffe"
 version = "0.30.1"
 description = "Signatures for entire Python programs. Extract the structure, the frame, the skeleton of your project, to generate API documentation or find breaking changes in your API."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -98,6 +105,7 @@ colorama = ">=0.4"
 name = "importlib-metadata"
 version = "6.7.0"
 description = "Read metadata from Python packages"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -118,6 +126,7 @@ testing = ["flufl.flake8", "importlib-resources (>=1.3)", "packaging", "pyfakefs
 name = "iniconfig"
 version = "2.0.0"
 description = "brain-dead simple config-ini parsing"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -129,6 +138,7 @@ files = [
 name = "jinja2"
 version = "3.1.2"
 description = "A very fast and expressive template engine."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -146,6 +156,7 @@ i18n = ["Babel (>=2.7)"]
 name = "markdown"
 version = "3.4.4"
 description = "Python implementation of John Gruber's Markdown."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -164,6 +175,7 @@ testing = ["coverage", "pyyaml"]
 name = "markdown-include"
 version = "0.8.1"
 description = "A Python-Markdown extension which provides an 'include' function"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -181,6 +193,7 @@ tests = ["pytest"]
 name = "markupsafe"
 version = "2.1.3"
 description = "Safely add untrusted strings to HTML/XML markup."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -250,6 +263,7 @@ files = [
 name = "mergedeep"
 version = "1.3.4"
 description = "A deep merge function for 🐍."
+category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -261,6 +275,7 @@ files = [
 name = "mkdocs"
 version = "1.5.3"
 description = "Project documentation with Markdown."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -293,6 +308,7 @@ min-versions = ["babel (==2.9.0)", "click (==7.0)", "colorama (==0.4)", "ghp-imp
 name = "mkdocs-autorefs"
 version = "0.4.1"
 description = "Automatically link across pages in MkDocs."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -308,6 +324,7 @@ mkdocs = ">=1.1"
 name = "mkdocs-gen-files"
 version = "0.4.0"
 description = "MkDocs plugin to programmatically generate documentation pages during the build"
+category = "dev"
 optional = false
 python-versions = ">=3.7,<4.0"
 files = [
@@ -322,6 +339,7 @@ mkdocs = ">=1.0.3,<2.0.0"
 name = "mkdocs-literate-nav"
 version = "0.6.1"
 description = "MkDocs plugin to specify the navigation in Markdown instead of YAML"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -336,6 +354,7 @@ mkdocs = ">=1.0.3"
 name = "mkdocs-section-index"
 version = "0.3.8"
 description = "MkDocs plugin to allow clickable sections that lead to an index page"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -350,6 +369,7 @@ mkdocs = ">=1.2"
 name = "mkdocstrings"
 version = "0.22.0"
 description = "Automatic documentation from sources, for MkDocs."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -376,6 +396,7 @@ python-legacy = ["mkdocstrings-python-legacy (>=0.2.1)"]
 name = "mkdocstrings-python"
 version = "0.8.3"
 description = "A Python handler for mkdocstrings."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -391,6 +412,7 @@ mkdocstrings = ">=0.19"
 name = "packaging"
 version = "23.2"
 description = "Core utilities for Python packages"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -402,6 +424,7 @@ files = [
 name = "pathspec"
 version = "0.11.2"
 description = "Utility library for gitignore style pattern matching of file paths."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -411,13 +434,14 @@ files = [
 
 [[package]]
 name = "platformdirs"
-version = "3.11.0"
+version = "4.0.0"
 description = "A small Python package for determining appropriate platform-specific dirs, e.g. a \"user data dir\"."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "platformdirs-3.11.0-py3-none-any.whl", hash = "sha256:e9d171d00af68be50e9202731309c4e658fd8bc76f55c11c7dd760d023bda68e"},
-    {file = "platformdirs-3.11.0.tar.gz", hash = "sha256:cf8ee52a3afdb965072dcc652433e0c7e3e40cf5ea1477cd4b3b1d2eb75495b3"},
+    {file = "platformdirs-4.0.0-py3-none-any.whl", hash = "sha256:118c954d7e949b35437270383a3f2531e99dd93cf7ce4dc8340d3356d30f173b"},
+    {file = "platformdirs-4.0.0.tar.gz", hash = "sha256:cb633b2bcf10c51af60beb0ab06d2f1d69064b43abf4c185ca6b28865f3f9731"},
 ]
 
 [package.dependencies]
@@ -431,6 +455,7 @@ test = ["appdirs (==1.4.4)", "covdefaults (>=2.3)", "pytest (>=7.4)", "pytest-co
 name = "pluggy"
 version = "1.2.0"
 description = "plugin and hook calling mechanisms for python"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -449,6 +474,7 @@ testing = ["pytest", "pytest-benchmark"]
 name = "py4j"
 version = "0.10.9.7"
 description = "Enables Python programs to dynamically access arbitrary Java objects"
+category = "dev"
 optional = false
 python-versions = "*"
 files = [
@@ -460,6 +486,7 @@ files = [
 name = "pymdown-extensions"
 version = "10.2.1"
 description = "Extension pack for Python Markdown."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -478,6 +505,7 @@ extra = ["pygments (>=2.12)"]
 name = "pyspark"
 version = "3.4.1"
 description = "Apache Spark Python API"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -496,13 +524,14 @@ sql = ["numpy (>=1.15)", "pandas (>=1.0.5)", "pyarrow (>=1.0.0)"]
 
 [[package]]
 name = "pytest"
-version = "7.4.2"
+version = "7.4.3"
 description = "pytest: simple powerful testing with Python"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "pytest-7.4.2-py3-none-any.whl", hash = "sha256:1d881c6124e08ff0a1bb75ba3ec0bfd8b5354a01c194ddd5a0a870a48d99b002"},
-    {file = "pytest-7.4.2.tar.gz", hash = "sha256:a766259cfab564a2ad52cb1aae1b881a75c3eb7e34ca3779697c23ed47c47069"},
+    {file = "pytest-7.4.3-py3-none-any.whl", hash = "sha256:0d009c083ea859a71b76adf7c1d502e4bc170b80a8ef002da5806527b9591fac"},
+    {file = "pytest-7.4.3.tar.gz", hash = "sha256:d989d136982de4e3b29dabcc838ad581c64e8ed52c11fbe86ddebd9da0818cd5"},
 ]
 
 [package.dependencies]
@@ -521,6 +550,7 @@ testing = ["argcomplete", "attrs (>=19.2.0)", "hypothesis (>=3.56)", "mock", "no
 name = "pytest-describe"
 version = "2.1.0"
 description = "Describe-style plugin for pytest"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -535,6 +565,7 @@ pytest = ">=4.6,<8"
 name = "python-dateutil"
 version = "2.8.2"
 description = "Extensions to the standard Python datetime module"
+category = "dev"
 optional = false
 python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,>=2.7"
 files = [
@@ -549,6 +580,7 @@ six = ">=1.5"
 name = "pyyaml"
 version = "6.0.1"
 description = "YAML parser and emitter for Python"
+category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -608,6 +640,7 @@ files = [
 name = "pyyaml-env-tag"
 version = "0.1"
 description = "A custom YAML tag for referencing environment variables in YAML files. "
+category = "dev"
 optional = false
 python-versions = ">=3.6"
 files = [
@@ -622,6 +655,7 @@ pyyaml = "*"
 name = "ruff"
 version = "0.0.291"
 description = "An extremely fast Python linter, written in Rust."
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -646,19 +680,21 @@ files = [
 
 [[package]]
 name = "semver"
-version = "3.0.1"
+version = "3.0.2"
 description = "Python helper for Semantic Versioning (https://semver.org)"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
-    {file = "semver-3.0.1-py3-none-any.whl", hash = "sha256:2a23844ba1647362c7490fe3995a86e097bb590d16f0f32dfc383008f19e4cdf"},
-    {file = "semver-3.0.1.tar.gz", hash = "sha256:9ec78c5447883c67b97f98c3b6212796708191d22e4ad30f4570f840171cbce1"},
+    {file = "semver-3.0.2-py3-none-any.whl", hash = "sha256:b1ea4686fe70b981f85359eda33199d60c53964284e0cfb4977d243e37cf4bf4"},
+    {file = "semver-3.0.2.tar.gz", hash = "sha256:6253adb39c70f6e51afed2fa7152bcd414c411286088fb4b9effb133885ab4cc"},
 ]
 
 [[package]]
 name = "six"
 version = "1.16.0"
 description = "Python 2 and 3 compatibility utilities"
+category = "dev"
 optional = false
 python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*"
 files = [
@@ -670,6 +706,7 @@ files = [
 name = "tomli"
 version = "2.0.1"
 description = "A lil' TOML parser"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -679,19 +716,21 @@ files = [
 
 [[package]]
 name = "typing-extensions"
-version = "4.8.0"
-description = "Backported and Experimental Type Hints for Python 3.8+"
+version = "4.7.1"
+description = "Backported and Experimental Type Hints for Python 3.7+"
+category = "dev"
 optional = false
-python-versions = ">=3.8"
+python-versions = ">=3.7"
 files = [
-    {file = "typing_extensions-4.8.0-py3-none-any.whl", hash = "sha256:8f92fc8806f9a6b641eaa5318da32b44d401efaac0f6678c9bc448ba3605faa0"},
-    {file = "typing_extensions-4.8.0.tar.gz", hash = "sha256:df8e4339e9cb77357558cbdbceca33c303714cf861d1eef15e1070055ae8b7ef"},
+    {file = "typing_extensions-4.7.1-py3-none-any.whl", hash = "sha256:440d5dd3af93b060174bf433bccd69b0babc3b15b1a8dca43789fd7f61514b36"},
+    {file = "typing_extensions-4.7.1.tar.gz", hash = "sha256:b75ddc264f0ba5615db7ba217daeb99701ad295353c45f9e95963337ceeeffb2"},
 ]
 
 [[package]]
 name = "watchdog"
 version = "3.0.0"
 description = "Filesystem events monitoring"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -731,6 +770,7 @@ watchmedo = ["PyYAML (>=3.10)"]
 name = "zipp"
 version = "3.15.0"
 description = "Backport of pathlib-compatible object wrapper for zip files"
+category = "dev"
 optional = false
 python-versions = ">=3.7"
 files = [
@@ -745,4 +785,4 @@ testing = ["big-O", "flake8 (<5)", "jaraco.functools", "jaraco.itertools", "more
 [metadata]
 lock-version = "2.0"
 python-versions = ">=3.7,<4.0"
-content-hash = "5559a0b7175528b497b00d5e68b5841721e49230e371ad307c74c64e82a55d9a"
+content-hash = "41791e6258914ac7f51b4ce6759ae8a03c8345313ea50c0c650293797e13c571"
diff --git a/pyproject.toml b/pyproject.toml
index 076f7aca..58b03671 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -47,7 +47,7 @@ pytest-describe = "^2"
 
 [tool.poetry.group.linting.dependencies]
 ruff = "^0.0.291"
-typing-extensions = {version = "^4.8.0", python = ">=3.8,<4.0"}
+typing-extensions = {version = "^4", python = ">=3.6,<4.0"}
 
 [tool.poetry.group.docs.dependencies]
 mkdocstrings-python = "^0.8.3"
@@ -55,7 +55,7 @@ mkdocs-gen-files = "^0.4.0"
 mkdocs-literate-nav = "^0.6.0"
 mkdocs-section-index = "^0.3.5"
 markdown-include = "^0.8.1"
-mkdocs = "^1.4.2"
+mkdocs = "^1"
 
 ###########################################################################
 #                         LINTING CONFIGURATION 
diff --git a/quinn/transformations.py b/quinn/transformations.py
index c0214e51..a2eac362 100644
--- a/quinn/transformations.py
+++ b/quinn/transformations.py
@@ -241,7 +241,7 @@ def fix_nullability(field: StructField, result_dict: dict) -> None:
     if spark is None:
         spark = SparkSession.builder.getOrCreate()
 
-    return spark.sparkSession.createDataFrame(output.rdd, output.schema)
+    return spark.createDataFrame(output.rdd, output.schema)
 
 
 def flatten_struct(df: DataFrame, col_name: str, separator: str = ":") -> DataFrame: