dschenck · dschenck · Mar 8, 2026 · Mar 8, 2026 · Mar 8, 2026 · Mar 8, 2026
diff --git a/docs/_misc/compile.py b/docs/_misc/compile.py
@@ -7,9 +7,6 @@
 
 sys.path.append("../../../easychart")  # add the easychart path
 
-import re
-import json
-import easychart
 
 directory = os.path.join(os.path.dirname(os.path.realpath(__file__)), "examples")
 

diff --git a/easychart/extensions/racechart/__init__.py b/easychart/extensions/racechart/__init__.py
@@ -83,12 +83,10 @@ def render(self, *, theme=None):
             }
         )
 
-        return IPython.display.HTML(
-            f"""
+        return IPython.display.HTML(f"""
                 <iframe 
                     style="border:0;outline:none;width:{easychart.internals.Size(easychart.config.rendering.container.width)};max-width:{easychart.internals.Size(easychart.config.rendering.container.get("max-width", "100%"))}" 
                     onload='javascript:(function(o){{o.style.height=o.contentWindow.document.body.scrollHeight+"px";}}(this));' 
                     srcdoc="{html.escape(template)}">
                 </iframe>
-            """
-        )
+            """)
diff --git a/easychart/models/chart.py b/easychart/models/chart.py
@@ -13,7 +13,6 @@
 
 from .series import Series
 
-
 # rate-limiting throttle
 _throttler = internals.Throttler()
 
@@ -1266,15 +1265,11 @@ def export(self, filename, *, theme=None, scale=2, throttle=None, **kwargs):
             )
 
             if res.status_code == 429:
-                raise Exception(
-                    textwrap.dedent(
-                        """
+                raise Exception(textwrap.dedent("""
                         The export server responded with HTTP code 429, which means you are making too many export requests in too short a period of time. 
 
                         Please increase the throttle value, or manually set a time.sleep between each export request.
-                        """
-                    )
-                )
+                        """))
 
             if res.status_code != 200:
                 raise Exception(

diff --git a/requirements.txt b/requirements.txt
@@ -1,8 +1,9 @@
-pytest
-pandas 
-numpy 
 easytree>=0.2.3
+ipython
 jinja2
-simplejson
+numpy 
+pandas 
+pytest
+pytz
 requests
-ipython
+simplejson
diff --git a/setup.py b/setup.py
@@ -19,6 +19,7 @@
         "Operating System :: OS Independent",
     ],
     install_requires=[
+        "pytz",
         "pandas",
         "numpy",
         "easytree>=0.2.3",

diff --git a/tests/conftest.py b/tests/conftest.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def pytest_addoption(parser):

diff --git a/tests/regression-tests/tests/chart-1.py b/tests/regression-tests/tests/chart-1.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-10.py b/tests/regression-tests/tests/chart-10.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-11.py b/tests/regression-tests/tests/chart-11.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-12.py b/tests/regression-tests/tests/chart-12.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-13.py b/tests/regression-tests/tests/chart-13.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-14.py b/tests/regression-tests/tests/chart-14.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-15.py b/tests/regression-tests/tests/chart-15.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-17.py b/tests/regression-tests/tests/chart-17.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-18.py b/tests/regression-tests/tests/chart-18.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-19.py b/tests/regression-tests/tests/chart-19.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-2.py b/tests/regression-tests/tests/chart-2.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-20.py b/tests/regression-tests/tests/chart-20.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-21.py b/tests/regression-tests/tests/chart-21.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-22.py b/tests/regression-tests/tests/chart-22.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-23.py b/tests/regression-tests/tests/chart-23.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-24.py b/tests/regression-tests/tests/chart-24.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-25.py b/tests/regression-tests/tests/chart-25.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-26.py b/tests/regression-tests/tests/chart-26.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-27.py b/tests/regression-tests/tests/chart-27.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-28.py b/tests/regression-tests/tests/chart-28.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-29.py b/tests/regression-tests/tests/chart-29.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-3.py b/tests/regression-tests/tests/chart-3.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-30.py b/tests/regression-tests/tests/chart-30.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-31.py b/tests/regression-tests/tests/chart-31.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-32.py b/tests/regression-tests/tests/chart-32.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-33.py b/tests/regression-tests/tests/chart-33.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-34.py b/tests/regression-tests/tests/chart-34.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-35.py b/tests/regression-tests/tests/chart-35.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-36.py b/tests/regression-tests/tests/chart-36.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-37.py b/tests/regression-tests/tests/chart-37.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-38.py b/tests/regression-tests/tests/chart-38.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-39.py b/tests/regression-tests/tests/chart-39.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-40.py b/tests/regression-tests/tests/chart-40.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-41.py b/tests/regression-tests/tests/chart-41.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-42.py b/tests/regression-tests/tests/chart-42.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-43.py b/tests/regression-tests/tests/chart-43.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-44.py b/tests/regression-tests/tests/chart-44.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-45.py b/tests/regression-tests/tests/chart-45.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-46.py b/tests/regression-tests/tests/chart-46.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-47.py b/tests/regression-tests/tests/chart-47.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-48.py b/tests/regression-tests/tests/chart-48.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-49.py b/tests/regression-tests/tests/chart-49.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-5.py b/tests/regression-tests/tests/chart-5.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-50.py b/tests/regression-tests/tests/chart-50.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-51.py b/tests/regression-tests/tests/chart-51.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-52.py b/tests/regression-tests/tests/chart-52.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-53.py b/tests/regression-tests/tests/chart-53.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-54.py b/tests/regression-tests/tests/chart-54.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-55.py b/tests/regression-tests/tests/chart-55.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-56.py b/tests/regression-tests/tests/chart-56.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-57.py b/tests/regression-tests/tests/chart-57.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-58.py b/tests/regression-tests/tests/chart-58.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-59.py b/tests/regression-tests/tests/chart-59.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-6.py b/tests/regression-tests/tests/chart-6.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-7.py b/tests/regression-tests/tests/chart-7.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-8.py b/tests/regression-tests/tests/chart-8.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/regression-tests/tests/chart-9.py b/tests/regression-tests/tests/chart-9.py
@@ -1,4 +1,3 @@
-import pytest
 
 
 def regress(regression):

diff --git a/tests/unit-tests/functions.py b/tests/unit-tests/functions.py
@@ -1,4 +1,3 @@
-import pytest
 import easychart
 
 

diff --git a/tests/unit-tests/models.py b/tests/unit-tests/models.py
@@ -1,4 +1,3 @@
-import pytest
 
 import easychart
 import easychart.models
Original file line number	Diff line number	Diff line change
		@@ -1,4 +1,3 @@
		import pytest


		def pytest_addoption(parser):
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -1,4 +1,3 @@
		import pytest


		def regress(regression):
Expand Down