diff --git a/plotnine/_utils/__init__.py b/plotnine/_utils/__init__.py
index b43518a0a..af3f9de90 100644
--- a/plotnine/_utils/__init__.py
+++ b/plotnine/_utils/__init__.py
@@ -316,10 +316,10 @@ def len_unique(x):
     if drop:
         return _id_var(res, drop)
     else:
-        return list(res)
+        return res
 
 
-def _id_var(x: pd.Series[Any], drop: bool = False) -> list[int]:
+def _id_var(x: AnyArrayLike, drop: bool = False) -> list[int]:
     """
     Assign ids to items in x. If two items
     are the same, they get the same id.
@@ -334,7 +334,7 @@ def _id_var(x: pd.Series[Any], drop: bool = False) -> list[int]:
     if len(x) == 0:
         return []
 
-    if array_kind.categorical(x):
+    if isinstance(x, pd.Series) and array_kind.categorical(x):
         if drop:
             x = x.cat.remove_unused_categories()
             lst = list(x.cat.codes + 1)
diff --git a/plotnine/facets/facet.py b/plotnine/facets/facet.py
index ddae33b5a..8a1cdae64 100644
--- a/plotnine/facets/facet.py
+++ b/plotnine/facets/facet.py
@@ -405,7 +405,7 @@ def make_figure(self) -> tuple[Figure, list[Axes]]:
         # Create axes
         it = itertools.product(range(self.nrow), range(self.ncol))
         for i, (row, col) in enumerate(it):
-            axsarr[row, col] = figure.add_subplot(gs[i])
+            axsarr[row, col] = figure.add_subplot(gs[i])  # pyright: ignore[reportCallIssue,reportArgumentType]
 
         # axsarr = np.array([
         #     figure.add_subplot(gs[i])
diff --git a/plotnine/geoms/geom_path.py b/plotnine/geoms/geom_path.py
index 90c0c76ee..8adb987cb 100644
--- a/plotnine/geoms/geom_path.py
+++ b/plotnine/geoms/geom_path.py
@@ -1,8 +1,8 @@
 from __future__ import annotations
 
-import typing
 from collections import Counter
 from contextlib import suppress
+from typing import TYPE_CHECKING
 from warnings import warn
 
 import numpy as np
@@ -12,7 +12,7 @@
 from ..exceptions import PlotnineWarning
 from .geom import geom
 
-if typing.TYPE_CHECKING:
+if TYPE_CHECKING:
     from typing import Any, Literal, Sequence
 
     import numpy.typing as npt
@@ -24,6 +24,7 @@
     from plotnine.coords.coord import coord
     from plotnine.iapi import panel_view
     from plotnine.layer import layer
+    from plotnine.typing import BoolArray
 
 
 @document
@@ -66,7 +67,7 @@ class geom_path(geom):
     }
 
     def handle_na(self, data: pd.DataFrame) -> pd.DataFrame:
-        def keep(x: Sequence[float]) -> npt.NDArray[np.bool_]:
+        def keep(x: Sequence[float]) -> BoolArray:
             # first non-missing to last non-missing
             first = match([False], x, nomatch=1, start=0)[0]
             last = len(x) - match([False], x[::-1], nomatch=1, start=0)[0]
@@ -90,7 +91,7 @@ def keep(x: Sequence[float]) -> npt.NDArray[np.bool_]:
 
         # return data
         n1 = len(data)
-        data = data[bool_idx]
+        data = data.loc[bool_idx]  # pyright: ignore[reportCallIssue,reportArgumentType]
         data.reset_index(drop=True, inplace=True)
         n2 = len(data)
 
@@ -481,7 +482,7 @@ def _draw_segments(data: pd.DataFrame, ax: Axes, **params: Any):
     linestyle = data.loc[indices, "linetype"]
 
     coll = LineCollection(
-        segments,
+        segments,  # pyright: ignore[reportArgumentType]
         edgecolor=edgecolor,
         linewidth=linewidth,
         linestyle=linestyle,
diff --git a/plotnine/guides/guides.py b/plotnine/guides/guides.py
index 125c37dbe..ba1802cd5 100644
--- a/plotnine/guides/guides.py
+++ b/plotnine/guides/guides.py
@@ -467,7 +467,7 @@ def _lrtb(pos):
             if just is None:
                 just = (0.5, 0.5)
             elif just in VALID_JUSTIFICATION_WORDS:
-                just = ensure_xy_location(just)
+                just = ensure_xy_location(just)  # pyright: ignore[reportArgumentType]
             elif isinstance(just, (float, int)):
                 just = (just, just)
             return just[idx]
diff --git a/plotnine/typing.py b/plotnine/typing.py
index 4c30c3451..6b99d9fb2 100644
--- a/plotnine/typing.py
+++ b/plotnine/typing.py
@@ -38,7 +38,7 @@ def to_pandas(self) -> pd.DataFrame:
 # Arrays (strictly numpy)
 AnyArray: TypeAlias = NDArray[Any]
 BoolArray: TypeAlias = NDArray[np.bool_]
-FloatArray: TypeAlias = NDArray[np.float64]
+FloatArray: TypeAlias = NDArray[np.floating]
 IntArray: TypeAlias = NDArray[np.int64]
 StrArray: TypeAlias = NDArray[np.str_]
 
diff --git a/pyproject.toml b/pyproject.toml
index d4021ccfd..600e6b9c2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -77,7 +77,7 @@ dev = [
 ]
 
 typing = [
-    "pyright==1.1.389",
+    "pyright==1.1.390",
     "ipython",
     "pandas-stubs",
 ]