Fix typos

Author: seisman

pygmt/src/logo.py

@@ -124,7 +124,7 @@ def logo(  # noqa: PLR0913
         "plotcoords": "x",
         "inside": "j",
         "outside": "J",
-    }.get(position_type)
+    }[position_type]
 
     aliasdict = AliasSystem(
         D=[

pygmt/tests/test_logo.py

@@ -27,7 +27,7 @@ def test_logo_on_a_map():
     fig.logo(
         position_type="inside",
         position="TR",
-        offset=(0.25, 0.25),
+        anchor_offset=(0.25, 0.25),
         width="7.5c",
         box=True,
     )