rebase fixes

src/metpy/plots/declarative.py

@@ -225,6 +225,20 @@ class PanelTraits(MetPyHasTraits):
     'xx-small', 'x-small', 'small', 'medium', 'large', 'x-large', 'xx-large'.
     """
 
+    left_title = Unicode(allow_none=True, default_value=None)
+    left_title.__doc__ = """A string to set a title for the figure with the location on the
+    top left of the figure.
+
+    This trait sets a user-defined title that will plot at the top left of the figure.
+    """
+
+    right_title = Unicode(allow_none=True, default_value=None)
+    right_title.__doc__ = """A string to set a title for the figure with the location on the
+    top right of the figure.
+
+    This trait sets a user-defined title that will plot at the top right of the figure.
+    """
+
     plots = List(Any())
     plots.__doc__ = """A list of handles that represent the plots (e.g., `ContourPlot`,
     `FilledContourPlot`, `ImagePlot`, `SkewPlot`) to put on a given panel.

tests/plots/test_declarative.py

@@ -8,6 +8,7 @@
 from unittest.mock import patch, PropertyMock
 import warnings
 
+import matplotlib
 import matplotlib.pyplot as plt
 import numpy as np
 import pandas as pd
@@ -25,6 +26,8 @@
 from metpy.testing import get_upper_air_data, needs_cartopy, version_check
 from metpy.units import units
 
+MPL_VERSION = matplotlib.__version__[:5]
+
 
 @pytest.mark.mpl_image_compare(remove_text=True, tolerance=0.02)
 @needs_cartopy
@@ -2244,7 +2247,8 @@ def test_declarative_plot_geometry_points(ccrs):
     return pc.figure
 
 
-@pytest.mark.mpl_image_compare(remove_text=True, tolerance=0.03)
+@pytest.mark.mpl_image_compare(remove_text=True,
+                               tolerance=3.27 if MPL_VERSION.startswith('3.3') else 0.03)
 def test_declarative_skewt_plot():
     """Test plotting of a simple skewT with declarative."""
     date = datetime(2016, 5, 22, 0)
@@ -2272,7 +2276,8 @@ def test_declarative_skewt_plot():
     return panel.figure
 
 
-@pytest.mark.mpl_image_compare(remove_text=True, tolerance=0.03)
+@pytest.mark.mpl_image_compare(remove_text=True,
+                               tolerance=3.24 if MPL_VERSION.startswith('3.3') else 0.03)
 def test_declarative_skewt_plot_shade_cape():
     """Test plotting of a skewT with declarative and shading."""
     from metpy.calc import parcel_profile

tests/plots/test_skewt.py

@@ -46,23 +46,8 @@ def test_skewt_api():
     return fig
 
 
-@pytest.mark.mpl_image_compare(remove_text=True, style='default', tolerance=0.069)
-def test_skewt_labeled_lines():
-    """Test the SkewT with the labeled plot lines function."""
-    fig = plt.figure(figsize=(8.5, 11))
-    skew = SkewT(fig, rotation=45)
-
-    # Set sensible axis limits
-    skew.ax.set_ylim(1000, 100)
-    skew.ax.set_xlim(-30, 50)
-
-    # Add the relevant special lines
-    skew.plot_labeled_skewt_lines()
-
-    return fig
-
-
-@pytest.mark.mpl_image_compare(remove_text=True, style='default', tolerance=0.069)
+@pytest.mark.mpl_image_compare(remove_text=True, style='default',
+                               tolerance=1.99 if MPL_VERSION.startswith('3.3') else 0.069)
 def test_skewt_labeled_lines():
     """Test the SkewT with the labeled plot lines function."""
     fig = plt.figure(figsize=(8.5, 11))