diff --git a/pyproject.toml b/pyproject.toml
index 519b304e..81348675 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -77,11 +77,36 @@ omit = [
 exclude_lines = ["raise NotImplementedError", "pragma: no cover"]
 
 [tool.pyright]
-typeCheckingMode = "off"
+exclude = [
+  "**/ALG_spin_TOF.py",
+  "**/fits_utils.py",
+  "**/Elettra_spectromicroscopy.py",
+  "**ALG_main.py",
+  "ANTARES.py",
+  "**/MAESTRO.py",
+  "**/BL10_SARPES.py",
+  "**/SSRF_NSRL.py",
+  "**/MGS.py",
+  "**/kaindl.py",
+  "**/merlin.py",
+  #
+  "**/fit_tool",
+  "**/qt_tool",
+  "**/qt_ktool",
+  "**/bz_tool",
+  "**/basic_tools",
+  "**/dynamic_tool.py",
+  "**/qt/",
+]
+
+typeCheckingMode = "standard" # "off", "basic" "standard" "strict"
+include = ["src"]
 
 pythonVersion = "3.11"
 pythonPlatform = "All"
 
+reportMissingTypeStubs = false
+
 [tool.ruff]
 lint.ignore = [
   "PD",     # pandas-vet
diff --git a/src/arpes/analysis/moire.py b/src/arpes/analysis/moire.py
index 126d05a0..93b99eb8 100644
--- a/src/arpes/analysis/moire.py
+++ b/src/arpes/analysis/moire.py
@@ -12,6 +12,7 @@
 
 import matplotlib.pyplot as plt
 import numpy as np
+from ase.cell import Cell
 from ase.dft.bz import bz_plot
 from ase.lattice import HEX2D
 from scipy.spatial.distance import pdist
@@ -21,7 +22,6 @@
 if TYPE_CHECKING:
     from collections.abc import Generator
 
-    from ase.cell import Cell
     from matplotlib.axes import Axes
     from numpy.typing import NDArray
 
@@ -129,7 +129,17 @@ def calc_commensurate_moire_cell(
     *,
     swap_angle: bool = False,
 ) -> dict[str, Any]:
-    """Calculates nearly commensurate moire unit cells for two hexagonal lattices."""
+    """Calculates nearly commensurate moire unit cells for two hexagonal lattices.
+
+    Args:
+        underlayer_a: [TODO:description]
+        overlayer_a: [TODO:description]
+        relative_angle_rad: [TODO:description]
+        swap_angle: [TODO:description]
+
+    Returns:
+        [TODO:description]
+    """
     from ase.dft.bz import bz_vertices
     from ase.dft.kpoints import get_special_points
 
@@ -151,8 +161,8 @@ def calc_commensurate_moire_cell(
     if swap_angle:
         moire_angle = -moire_angle
 
-    moire_cell = HEX2D(float(moire_a))
-    moire_cell = Rotation.from_rotvec([0, 0, moire_angle]).apply(moire_cell)
+    moire_cell = HEX2D(float(moire_a)).tocell()
+    moire_cell = Cell(Rotation.from_rotvec([0, 0, moire_angle]).apply(moire_cell))
     moire_icell = moire_cell.reciprocal()
 
     moire_bz_points = bz_vertices(moire_icell)[0][0][:, :2]
diff --git a/src/arpes/utilities/region.py b/src/arpes/utilities/region.py
index 0b42dd13..b3010b56 100644
--- a/src/arpes/utilities/region.py
+++ b/src/arpes/utilities/region.py
@@ -3,6 +3,7 @@
 from __future__ import annotations
 
 from enum import Enum
+from typing import Literal
 
 __all__ = ["REGIONS", "normalize_region", "DesignatedRegions"]
 
@@ -43,7 +44,10 @@ class DesignatedRegions(Enum):
 }
 
 
-def normalize_region(region: str | dict) -> dict[str, DesignatedRegions]:
+def normalize_region(
+    region: Literal["copper_prior", "wide_angular", "narrow_angular"]
+    | dict[str, DesignatedRegions],
+) -> dict[str, DesignatedRegions]:
     """Converts named regions to an actual region."""
     if isinstance(region, str):
         return REGIONS[region]
diff --git a/src/arpes/xarray_extensions.py b/src/arpes/xarray_extensions.py
index c17c31a8..72245b6e 100644
--- a/src/arpes/xarray_extensions.py
+++ b/src/arpes/xarray_extensions.py
@@ -1119,7 +1119,11 @@ def meso_effective_selector(self) -> slice:
         energy_edge = self.find_spectrum_energy_edges()
         return slice(np.max(energy_edge) - 0.3, np.max(energy_edge) - 0.1)
 
-    def region_sel(self, *regions: Incomplete) -> XrTypes:
+    def region_sel(
+        self,
+        *regions: Literal["copper_prior", "wide_angular", "narrow_angular"]
+        | dict[str, DesignatedRegions],
+    ) -> XrTypes:
         def process_region_selector(
             selector: slice | DesignatedRegions,
             dimension_name: str,