Merge branch 'fix-fig-region' of github.com:Chuan1937/pygmt into fix-fig-region

Author: Chuan1937

examples/tutorials/basics/plot.py

@@ -13,7 +13,7 @@
 import io
 
 import pygmt
-from pygmt.params import Position
+from pygmt.params import Box, Position
 
 # %%
 # For example, let's load the sample dataset of tsunami generating earthquakes
@@ -72,7 +72,12 @@
 legend = io.StringIO(
     "\n".join(f"S 0.4 c {0.02 * 2**m:.2f} - 1p 1 Mw {m}" for m in [3, 4, 5])
 )
-fig.legend(spec=legend, position=Position("BR", offset=0.2), line_spacing=2.0, box=True)
+fig.legend(
+    spec=legend,
+    position=Position("BR", offset=0.2),
+    line_spacing=2,
+    box=Box(fill="white", pen="black"),
+)
 fig.show()
 
 # %%
@@ -104,7 +109,12 @@
     pen="black",
 )
 fig.colorbar(frame="xaf+lDepth (km)")
-fig.legend(spec=legend, position=Position("BR", offset=0.2), line_spacing=2.0, box=True)
+fig.legend(
+    spec=legend,
+    position=Position("BR", offset=0.2),
+    line_spacing=2,
+    box=Box(fill="white", pen="black"),
+)
 fig.show()
 
 # sphinx_gallery_thumbnail_number = 3