Fix a typo

Author: seisman

pygmt/datasets/tile_map.py

@@ -3,6 +3,7 @@
 :class:`xarray.DataArray`.
 """
 
+import contextlib
 from typing import Literal
 
 from packaging.version import Version
@@ -16,9 +17,8 @@
     TileProvider = None
     _HAS_CONTEXTILY = False
 
-try:
-    import rioxarray  # rioxarray is needed to register the rio accessor  # noqa: F401
-except ImportError:
+# rioxarray is needed to register the rio accessor
+with contextlib.suppress(ImportError):
     pass
 
 import numpy as np
@@ -123,7 +123,7 @@ def load_tile_map(
       * x            (x) float64 ... -2.004e+07 -1.996e+07 ... 1.996e+07 2.004e+07
         spatial_ref  int64 ... 0
     >>> # CRS is set only if rioxarray is available
-    >>> if hasattr(dataarray, "rio"):
+    >>> if hasattr(raster, "rio"):
     ...     raster.rio.crs
     CRS.from_epsg(3857)
     """