Update app.py

app.py

@@ -15,7 +15,7 @@ PRIOR_MESSAGE_MARKERS = [
     re.compile(r'^Begin forwarded message:', re.IGNORECASE),
     
     # Custom separators in email
-    re.compile(r'^-+.*-+$'), # For lines like "----------------------------------------------------------------------------------------------------------------"
+    re.compile(r'^-+.*-+$'),  # For lines like "--------------------------------------------------"
 
     # Portuguese patterns
     re.compile(r'^Em .* escreveu:', re.IGNORECASE),
@@ -72,7 +72,7 @@ def remove_quoted_text(soup):
 
     # Remove tables with dotted borders (a typical marker of a previous conversation)
     for table in soup.find_all('table'):
-        if 'border-top:1px dotted' in str(table):
+        if table.get('style') and 'border-top:1px dotted' in table.get('style'):
             table.decompose()
 
     return soup
@@ -83,6 +83,9 @@ def extract_latest_message_from_lines(lines):
     for line in lines:
         # Clean up the line
         line = line.strip()
+        # Ensure that we're handling None values safely
+        if line is None or line == '':
+            continue
         # Check if the line matches any prior message markers
         if any(marker.match(line) for marker in PRIOR_MESSAGE_MARKERS):
             break  # Stop if a prior message marker is found