fix doc build warnings

Author: Jerry-Ma

docs/modules.rst

@@ -13,7 +13,11 @@ Data Accessors
 
 .. automodapi:: tollan.accessor
 
-.. automodapi:: tollan.accessor.mappers
+.. automodapi:: tollan.accessor.netcdf4
+
+.. automodapi:: tollan.accessor.pandas
+
+.. automodapi:: tollan.accessor.xarray
 
 Configuration System
 --------------------

src/tollan/accessor/accessor.py

@@ -30,13 +30,6 @@ class AccessorBase[DataSourceT, MapperT: Mapper]:
         Type of data source (e.g., xr.Dataset, pandas.DataFrame)
     MapperT : Mapper
         Type of mapper used for field resolution
-
-    Attributes
-    ----------
-    mapper : MapperT
-        Field mapper for data access
-    data_source : DataSourceT
-        Data source containing the data
     """
 
     _mapper_cls: ClassVar[type[MapperT]]  # pyright: ignore[reportGeneralTypeIssues]

src/tollan/accessor/xarray/accessor.py

@@ -66,15 +66,6 @@ class XarrayAccessorBase[MapperT: Mapper](AccessorBase[DataSourceT, MapperT]):
     ---------------
     MapperT : Mapper
         Type of mapper for field resolution
-
-    Attributes
-    ----------
-    _data_source : Dataset, DataArray, or DataTree
-        Original data source
-    mapper : MapperT
-        Field mapper for data access
-    data_source : Dataset
-        Resolved Dataset (DataTree → root, DataArray → wrapped)
     """
 
     def __init__(

src/tollan/accessor/xarray/units.py

@@ -64,30 +64,7 @@ class UnitsAccessor:
 
     Provides properties and methods for setting, getting, and converting physical
     units using Astropy's units framework. Units are stored in .attrs["units"]
-    as strings. Registered as the 'u' accessor on DataArrays.
-
-    Attributes
-    ----------
-    _obj : xr.DataArray
-        The DataArray this accessor is attached to
-
-    Properties
-    ----------
-    unit_str : str or None
-        The unit string from .attrs["units"], or None if not set
-    unit : astropy.units.Unit or None
-        The Astropy Unit object, or None if not set
-    quantity : astropy.units.Quantity
-        The data as an Astropy Quantity object (converts to numpy array)
-
-    Methods
-    -------
-    set(unit)
-        Set units (only if not already set or same unit)
-    unset()
-        Remove units
-    to(target_unit, equivalencies=None)
-        Convert to different units (lazy evaluation preserved)
+    as strings. Registered as the 'u' accessor on DataArrays
 
     Examples
     --------