diff --git a/docs/badges/pylint.svg b/docs/badges/pylint.svg
index bf075f7..58a642b 100644
--- a/docs/badges/pylint.svg
+++ b/docs/badges/pylint.svg
@@ -1,5 +1,5 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="114" height="20" role="img" aria-label="pylint: 9.66">
-    <title>pylint: 9.66</title>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="114" height="20" role="img" aria-label="pylint: 9.72">
+    <title>pylint: 9.72</title>
     <linearGradient id="s" x2="0" y2="100%">
         <stop offset="0" stop-color="#bbb" stop-opacity=".1" />
         <stop offset="1" stop-opacity=".1" />
@@ -15,7 +15,7 @@
     <g fill="#fff" text-anchor="middle" font-family="Verdana,Geneva,DejaVu Sans,sans-serif" text-rendering="geometricPrecision" font-size="110">
         <text aria-hidden="true" x="315" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="510">pylint</text>
         <text x="315" y="140" transform="scale(.1)" fill="#fff" textLength="510">pylint</text>
-        <text aria-hidden="true" x="865" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="430">9.66</text>
-        <text x="865" y="140" transform="scale(.1)" fill="#fff" textLength="430">9.66</text>
+        <text aria-hidden="true" x="865" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="430">9.72</text>
+        <text x="865" y="140" transform="scale(.1)" fill="#fff" textLength="430">9.72</text>
     </g>
 </svg>
\ No newline at end of file
diff --git a/poetry.lock b/poetry.lock
index 6558535..9ba8856 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -652,6 +652,7 @@ python-versions = ">=3.6.3,<4.0.0"
 [package.dependencies]
 commonmark = ">=0.9.0,<0.10.0"
 pygments = ">=2.6.0,<3.0.0"
+typing-extensions = {version = ">=4.0.0,<5.0", markers = "python_version < \"3.9\""}
 
 [package.extras]
 jupyter = ["ipywidgets (>=7.5.1,<8.0.0)"]
@@ -933,7 +934,7 @@ testing = ["flaky (>=3.4.0)", "freezegun (>=0.3.11)", "pathlib2 (>=2.3.3)", "psu
 name = "typing-extensions"
 version = "4.3.0"
 description = "Backported and Experimental Type Hints for Python 3.7+"
-category = "dev"
+category = "main"
 optional = false
 python-versions = ">=3.7"
 
@@ -1015,8 +1016,8 @@ testing = ["func-timeout", "jaraco.itertools", "pytest (>=6)", "pytest-black (>=
 
 [metadata]
 lock-version = "1.1"
-python-versions = "^3.9"
-content-hash = "f3c9f470be06c3b14c0fb74edcb07529011affc1058c16eda08921aac9e5269b"
+python-versions = "^3.8"
+content-hash = "047cc4481954c6970fbc0ca4cc2c76f6dbd7d51d93b9342f8888025bb62c9125"
 
 [metadata.files]
 aiohttp = [
diff --git a/pyproject.toml b/pyproject.toml
index 9b94b8c..e18ea99 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "py-jmeter-dsl"
-version = "0.1-alpha.1"
+version = "0.2-alpha.1"
 description = "Simple JMeter performance tests API for python"
 authors = ["Eldad Uzman <eldadu1985@gmail.com>"]
 license = "Apache License 2.0"
@@ -18,6 +18,7 @@ keywords = ["loadtesting", "qa", "JMeter", "automation", "performance", "perform
 [tool.poetry.dependencies]
 python = "^3.8"
 pyjnius = "^1.4.2"
+typing-extensions = "^4.3.0"
 
 
 [tool.poetry.group.dev.dependencies]
diff --git a/src/pymeter/api/postprocessors.py b/src/pymeter/api/postprocessors.py
index ca59770..f78f331 100644
--- a/src/pymeter/api/postprocessors.py
+++ b/src/pymeter/api/postprocessors.py
@@ -33,7 +33,7 @@ class BasePostProcessors(ThreadGroupChildElement):
 class JsonExtractor(BasePostProcessors):
     """
     Extracts a value from a json response using a json path.
-    Read more about json path `here <https://support.smartbear.com/alertsite/docs/monitors/api/endpoint/jsonpath.html>`_ 
+    Read more about json path `here <https://support.smartbear.com/alertsite/docs/monitors/api/endpoint/jsonpath.html>`_
     """
 
     def __init__(self, variable_name: str, jmes_path: str) -> None: