handle keyerror on last.fm plugin

+ remove docs sections on pyproject.toml

pyproject.toml

@@ -63,14 +63,6 @@ dev = [
     "pyinstaller==6.12.0",
 ]
 
-docs = [
-    "sphinx",
-    "furo",
-    "sphinx_design",
-    "myst_parser",
-    "sphinx",
-    "sphinx-autodoc2",
-]
 
 [tool.setuptools]
 package-dir = {"swingmusic" = "swingmusic"}

swingmusic/plugins/lastfm.py

@@ -112,7 +112,11 @@ class LastFmPlugin(Plugin):
             if res_json["error"] == 9:
                 log.error("LAST.FM: Invalid session key")
                 # Invalid session key
+                try:
                     self.config.lastfmSessionKeys.pop(str(get_current_userid()))
+                except KeyError:
+                    pass
+
                 self.config.lastfmSessionKeys = self.config.lastfmSessionKeys
                 return False