updates to work with pandas 2

docs/release_notes.rst

@@ -117,7 +117,8 @@ What's New?
    dispatchable start-up, only down to the ``reserve``. After dispatchable start-up,
    storage is dispatched a second time in case a deficit remains, in this part of the
    sequence, all storage state of charge can be used.
-*  We now work with Python 3.11 using newly released :mod:`numba` version 0.57.
+*  dispatch now works with Python 3.11 using newly released :mod:`numba` version 0.57.
+*  dispatch now works with :mod:`pandas` 2.0.
 
 Bug Fixes
 ^^^^^^^^^

pyproject.toml

@@ -22,7 +22,7 @@ dependencies = [
     "numba >= 0.55.1,<0.58",
     "numexpr >= 2.8, < 2.8.5",
     "numpy >= 1.18.5,<2",
-    "pandas >= 1.4,< 1.6",
+    "pandas >= 1.4,< 2.1",
     "pandera >= 0.12, < 0.15",
     "pyarrow>=7, <13",
     "rmi.etoolbox @ git+https://github.com/rmi/etoolbox.git",

src/dispatch/model.py

@@ -373,7 +373,7 @@ def __init__(
         (0.4, 0.5]             0
         (0.5, 0.75]            0
         (0.75, 1.0]            0
-        dtype: int64
+        Name: count, dtype: int64
 
         Generate a full, combined output of all resources at specified frequency.
 
@@ -1493,6 +1493,9 @@ def _plot_prep_detail(self, begin, end):
         def arrange(df):
             return (
                 df.loc[begin:end, :]
+                .rename_axis(
+                    columns=["plant_id_eia", "generator_id", "technology_description"]
+                )
                 .stack([0, 1, 2])
                 .to_frame(name="net_generation_mwh")
                 .reset_index()