Correct License from LGPLv2 to LGPLv2+

python-chardet.spec

@@ -2,7 +2,17 @@ Name:           python-chardet
 Version:        4.0.0
 Release:        %autorelease
 Summary:        Character encoding auto-detection in Python
-License:        LGPLv2
+
+# The entire source is LGPLv2+, except:
+#
+# - tests/ascii/howto.diveintomark.org.xml is CC-BY-SA (but is not installed)
+#
+# See also:
+# clarify Trove license classifier
+# https://github.com/chardet/chardet/issues/162
+# Clarify LGPL version in License trove classifier
+# https://github.com/chardet/chardet/pull/255
+License:        LGPLv2+
 URL:            https://github.com/chardet/chardet
 Source0:        %{pypi_source chardet}