Fix matplotlib missing get_offset_position crash

* Update matplotlib test versions

Author: NeilGirdhar

Diff for: CHANGELOG.md

@@ -2,6 +2,11 @@
 All notable changes to this project will be documented in this file.
 This project adheres to [Semantic Versioning](http://semver.org/).
 
+## [UNRELEASED]
+
+### Fixed
+- Repair crash on Matplotlib 3.8 related to get_offset_position [[#4372](https://github.com/plotly/plotly.py/pull/4372)],
+
 ## [5.17.0] - 2023-09-15
 
 ### Updated

Diff for: packages/python/plotly/plotly/matplotlylib/mplexporter/exporter.py

@@ -96,7 +96,7 @@ def process_transform(
 
         code = "display"
         if ax is not None:
-            for (c, trans) in [
+            for c, trans in [
                 ("data", ax.transData),
                 ("axes", ax.transAxes),
                 ("figure", ax.figure.transFigure),
@@ -130,7 +130,7 @@ def crawl_ax(self, ax):
                 self.draw_line(ax, line)
             for text in ax.texts:
                 self.draw_text(ax, text)
-            for (text, ttp) in zip(
+            for text, ttp in zip(
                 [ax.xaxis.label, ax.yaxis.label, ax.title],
                 ["xlabel", "ylabel", "title"],
             ):
@@ -285,8 +285,14 @@ def draw_collection(
             "zorder": collection.get_zorder(),
         }
 
+        # TODO: When matplotlib's minimum version is bumped to 3.8, this can be
+        # simplified since collection.get_offset_position no longer exists.
         offset_dict = {"data": "before", "screen": "after"}
-        offset_order = offset_dict[collection.get_offset_position()]
+        offset_order = (
+            offset_dict[collection.get_offset_position()]
+            if hasattr(collection, "get_offset_position")
+            else "after"
+        )
 
         self.renderer.draw_path_collection(
             paths=processed_paths,

Diff for: packages/python/plotly/test_requirements/requirements_37_optional.txt

@@ -15,7 +15,7 @@ scipy==1.2.3
 shapely==1.7.0
 geopandas==0.3.0
 pyshp==1.2.10
-matplotlib==2.2.3
+matplotlib==3.5.3
 scikit-image==0.14.4
 psutil==5.7.0
 kaleido

Diff for: packages/python/plotly/test_requirements/requirements_38_optional.txt

@@ -15,7 +15,7 @@ scipy==1.6.2
 Shapely==1.7.1
 geopandas==0.9.0
 pyshp==2.1.3
-matplotlib==2.2.3
+matplotlib==3.7.3
 scikit-image==0.18.1
 psutil==5.7.0
 kaleido

Diff for: packages/python/plotly/test_requirements/requirements_39_optional.txt

@@ -15,7 +15,7 @@ scipy==1.6.2
 Shapely==1.7.1
 geopandas==0.9.0
 pyshp==2.1.3
-matplotlib==2.2.3
+matplotlib==3.8.0
 scikit-image==0.18.1
 psutil==5.7.0
 kaleido

Diff for: packages/python/plotly/test_requirements/requirements_39_pandas_2_optional.txt

@@ -15,7 +15,7 @@ scipy==1.6.2
 Shapely==1.7.1
 geopandas==0.9.0
 pyshp==2.1.3
-matplotlib==2.2.3
+matplotlib==3.8.0
 scikit-image==0.18.1
 psutil==5.7.0
 kaleido