Only create ip card if main result div is found

The ip address card that is created for searches like "my ip" only needs
to be created/inserted if a main result div id is found.

Fixes #735

app/utils/results.py

@@ -227,26 +227,28 @@ def add_ip_card(html_soup: BeautifulSoup, ip: str) -> BeautifulSoup:
         BeautifulSoup
 
     """
-    # HTML IP card tag
-    ip_tag = html_soup.new_tag('div')
-    ip_tag['class'] = 'ZINbbc xpd O9g5cc uUPGi'
-
-    # For IP Address html tag
-    ip_address = html_soup.new_tag('div')
-    ip_address['class'] = 'kCrYT ip-address-div'
-    ip_address.string = ip
-
-    # Text below the IP address
-    ip_text = html_soup.new_tag('div')
-    ip_text.string = 'Your public IP address'
-    ip_text['class'] = 'kCrYT ip-text-div'
-
-    # Adding all the above html tags to the IP card
-    ip_tag.append(ip_address)
-    ip_tag.append(ip_text)
-
-    # Insert the element at the top of the result list
-    html_soup.select_one('#main').insert_before(ip_tag)
+    main_div = html_soup.select_one('#main')
+    if main_div:
+        # HTML IP card tag
+        ip_tag = html_soup.new_tag('div')
+        ip_tag['class'] = 'ZINbbc xpd O9g5cc uUPGi'
+
+        # For IP Address html tag
+        ip_address = html_soup.new_tag('div')
+        ip_address['class'] = 'kCrYT ip-address-div'
+        ip_address.string = ip
+
+        # Text below the IP address
+        ip_text = html_soup.new_tag('div')
+        ip_text.string = 'Your public IP address'
+        ip_text['class'] = 'kCrYT ip-text-div'
+
+        # Adding all the above html tags to the IP card
+        ip_tag.append(ip_address)
+        ip_tag.append(ip_text)
+
+        # Insert the element at the top of the result list
+        main_div.insert_before(ip_tag)
     return html_soup