fix lint and figure issues

docs/_templates/overrides/metpy.calc.rst

@@ -205,6 +205,7 @@ Other
       azimuth_range_to_lat_lon
       find_bounding_indices
       find_intersections
+      find_local_extrema
       get_layer
       get_layer_heights
       get_perturbation

src/metpy/plots/_util.py

@@ -290,7 +290,7 @@ def normalize(x):
 
 def plot_local_extrema(ax, extreme_vals, symbol, plot_val=True, **kwargs):
     """Plot the local extreme (max/min) values of an array.
-    
+
     The behavior of the plotting will have the symbol horizontal/vertical alignment
     be center/bottom and any value plotted will be center/top. The text size of plotted
     values is 0.65 of the symbol size.
@@ -309,7 +309,7 @@ def plot_local_extrema(ax, extreme_vals, symbol, plot_val=True, **kwargs):
     Returns
     -------
     Plots local extrema on the plot axes
-    
+
     Other Parameters
     ----------------
     kwargs : `matplotlib.pyplot.Text` properties.
@@ -345,8 +345,8 @@ def plot_local_extrema(ax, extreme_vals, symbol, plot_val=True, **kwargs):
         if plot_val:
             ax.text(x, y, symbol, clip_on=True, clip_box=ax.bbox, size=size,
                     verticalalignment='bottom', **kwargs)
-            ax.text(x, y, f'{extrema.values:.0f}', clip_on=True, clip_box=ax.bbox, size=textsize,
-                    verticalalignment='top', **kwargs)
+            ax.text(x, y, f'{extrema.values:.0f}', clip_on=True, clip_box=ax.bbox,
+                    size=textsize, verticalalignment='top', **kwargs)
         else:
             ax.text(x, y, symbol, clip_on=True, clip_box=ax.bbox, size=size,
                     **kwargs)

tests/plots/test_util.py

@@ -166,12 +166,12 @@ def test_plot_extrema():
     data = xr.open_dataset(get_test_data('GFS_test.nc', as_file_obj=False))
 
     mslp = data.Pressure_reduced_to_MSL_msl.squeeze()
-    relmax2D = find_local_extrema(mslp, 10, 'max').metpy.convert_units('hPa')
-    relmin2D = find_local_extrema(mslp, 15, 'min').metpy.convert_units('hPa')
+    relmax2d = find_local_extrema(mslp, 10, 'max').metpy.convert_units('hPa')
+    relmin2d = find_local_extrema(mslp, 15, 'min').metpy.convert_units('hPa')
 
-    fig = plt.figure(1, figsize=(17., 11.))
-    ax = plt.subplot(111, projection=ccrs.LambertConformal(central_latitude=35,
-                                                           central_longitude=-100))
+    fig = plt.figure(figsize=(8., 8.))
+    ax = fig.add_subplot(1, 1, 1, projection=ccrs.LambertConformal(central_latitude=35,
+                                                                   central_longitude=-100))
 
     # Set extent and plot map lines
     ax.set_extent([-124., -70, 20., 60.], ccrs.PlateCarree())
@@ -180,20 +180,15 @@ def test_plot_extrema():
     ax.add_feature(cfeature.STATES.with_scale('50m'),
                 edgecolor='grey', linewidth=0.5)
 
-    # Plot thickness with multiple colors
-    clevs = (np.arange(0, 5400, 60),
-            np.array([5400]),
-            np.arange(5460, 7000, 60))
-
     # Plot MSLP
     clevmslp = np.arange(800., 1120., 4)
     cs2 = ax.contour(mslp.lon, mslp.lat, mslp.metpy.convert_units('hPa'),
                     clevmslp, colors='k', linewidths=1.25,
                     linestyles='solid', transform=ccrs.PlateCarree())
     plt.clabel(cs2)
 
-    plot_local_extrema(ax, relmax2D, 'H', plot_val=False, color='tab:red',
+    plot_local_extrema(ax, relmax2d, 'H', plot_val=False, color='tab:red',
                        transform=ccrs.PlateCarree())
-    plot_local_extrema(ax, relmin2D, 'L', color='tab:blue', transform=ccrs.PlateCarree())
+    plot_local_extrema(ax, relmin2d, 'L', color='tab:blue', transform=ccrs.PlateCarree())
 
-    return fig
+    return fig