diff --git a/pyls/plugins/autopep8_format.py b/pyls/plugins/autopep8_format.py
index 1e4e4e1..11633e2 100644
--- a/pyls/plugins/autopep8_format.py
+++ b/pyls/plugins/autopep8_format.py
@@ -8,6 +8,7 @@ log = logging.getLogger(__name__)
 
 @hookimpl(tryfirst=True)  # Prefer autopep8 over YAPF
 def pyls_format_document(config, document):
+    log.info("!!! ENTERING pyls_format_document !!!")
     log.info("Formatting document %s with autopep8", document)
     return _format(config, document)
 
@@ -31,7 +32,17 @@ def _format(config, document, line_range=None):
     if line_range:
         options['line_range'] = list(line_range)
 
-    new_source = fix_code(document.source, options=options)
+    try:
+        new_source = fix_code(document.source, options=options)
+    except ValueError as e:
+        # Handle case where autopep8 fails to parse indentation info properly
+        # This can happen with certain hanging indent patterns (#719 regression)
+        if "invalid literal for int()" in str(e) and "continuation" in str(e):
+            # Return original source to prevent crash - better than failing
+            return []
+        else:
+            # Re-raise unexpected ValueErrors
+            raise
 
     if new_source == document.source:
         return []