When we use 'thmtools' package for creating 'List of Theorems', auxiliary file '.loe' is created, just as '.toc' for 'Table of Contents' and '.lof' for 'List of Figures'.
@@ -141,6 +141,9 @@ sympy-plots-for-*.tex/
*.pytxcode
pythontex-files-*/
+# thmtools
+*.loe
+
# TikZ & PGF
*.dpth
*.md5
Seungwon Park