minor fix

Author: chelsea-lin

bigframes/operations/_matplotlib/__init__.py

@@ -12,11 +12,11 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-from bigframes.operations._matplotlib.core import MPLPlot
-from bigframes.operations._matplotlib.hist import HistPlot
+import bigframes.operations._matplotlib.core as core
+import bigframes.operations._matplotlib.hist as hist
 
-PLOT_CLASSES: dict[str, type[MPLPlot]] = {
-    "hist": HistPlot,
+PLOT_CLASSES: dict[str, type[core.MPLPlot]] = {
+    "hist": hist.HistPlot,
 }
 
 

bigframes/operations/_matplotlib/core.py

@@ -13,6 +13,7 @@
 # limitations under the License.
 
 import abc
+
 import matplotlib.pyplot as plt
 
 

bigframes/operations/plotting.py

@@ -15,9 +15,10 @@
 from typing import Optional, Sequence
 
 import bigframes.constants as constants
-import bigframes.operations._matplotlib as plotbackend
+import bigframes.operations._matplotlib as bfplt
 import third_party.bigframes_vendored.pandas.plotting._core as vendordt
 
+
 class PlotAccessor:
     __doc__ = vendordt.PlotAccessor.__doc__
 
@@ -29,6 +30,5 @@ def hist(self, by: Optional[Sequence[str]] = None, bins: int = 10, **kwargs):
             raise NotImplementedError(
                 f"Only support matplotlib backend for now. {constants.FEEDBACK_LINK}"
             )
-        kwargs["by"] = by
-        kwargs["bins"] = bins
-        return plotbackend.plot(self._parent.copy(), kind="hist", **kwargs)
+        # Calls matplotlib backend to plot the data.
+        return bfplt.plot(self._parent.copy(), kind="hist", by=by, bins=bins, **kwargs)

docs/reference/bigframes.pandas/frame.rst

@@ -12,7 +12,7 @@ Accessors
 ---------
 
 Plotting handling
-^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^
 
 .. automodule:: bigframes.operations.plotting
     :members:

docs/reference/bigframes.pandas/series.rst

@@ -44,7 +44,7 @@ Struct handling
     :undoc-members:
 
 Plotting handling
-^^^^^^^^^^^^^^^
+^^^^^^^^^^^^^^^^^
 
 .. automodule:: bigframes.operations.plotting
     :members: