Update app.py

app.py

@@ -81,29 +81,32 @@ if lang is not None:
   st.write(f"Broader tags for this language, if any:")
   st.write(broader_tags)
   st.write(f"Try also: https://r12a.github.io/app-subtags/?lookup={lang}, which will likely have links to Ethnologue, Wikipedia, and Character usage. You can also try searching for '{langtext}' there!")
-  st.write(f"https://glottolog.org/glottolog?search={t_variant} may be also of interest, with links to various resources including WALS, Wikidata, Odin, and OLAC. If that doesn't work, try https://glottolog.org/glottolog?search={b_variant}, or put in a [custom search query](https://glottolog.org/glottolog)") 
+  st.write(f"https://glottolog.org/glottolog?search={t_variant} may be also of interest, with links to various resources including WALS, Wikidata, Odin, and OLAC. ")
+  if t_variant != b_variant:
+    st.write(f"If that doesn't work, try https://glottolog.org/glottolog?search={b_variant}, or put in a [custom search query](https://glottolog.org/glottolog)") 
   st.write(f"https://glottolog.org/glottolog?search={urllib.parse.quote(langtext)} may pull up something as well.")
 
-  # ethnologue prefers T for german (deu), and T for French
   st.write("## Older Codes")
 
   st.write(f"ISO 639-3 'alpha3' code, 'terminology' variant (deprecated): {t_variant}")
   st.write(f"ISO 639-3 'alpha3' code, 'bibliographic' variant (deprecated): {b_variant}")
-  st.write(f"If it exists, the ISO 639 Code Tables entry for the T variant would be at https://iso639-3.sil.org/code/{t_variant}")
-  st.write(f"If it exists, the ISO 639 Code Tables entry for the B variant would be at https://iso639-3.sil.org/code/{b_variant}")  
-  obsolete_codes = pull_obsolete_codes(t_variant)
   
+  # ethnologue prefers T for german (deu), and T for French
+  st.write(f"If it exists, the ISO 639 Code Tables entry for the T variant would be at https://iso639-3.sil.org/code/{t_variant}. That is also the code variant that typically has a working link to Ethnologue.")
+  if t_variant != b_variant:
+    st.write(f"If it exists, the ISO 639 Code Tables entry for the B variant would be at https://iso639-3.sil.org/code/{b_variant}")  
+
+  st.write("### Codes scraped from iso639-3.sil.org")
   #TODO: Cleanup this bit
-  if obsolete_codes:
+  t_obsolete_codes = pull_obsolete_codes(t_variant)
+  b_obsolete_codes = pull_obsolete_codes(b_variant)   
+  if t_obsolete_codes:
     st.write(f"Obsolete codes from previous ISO-639 iterations, pulled from https://iso639-3.sil.org/code/{t_variant}:")
-    st.write(obsolete_codes)
-  else:
-    obsolete_codes = pull_obsolete_codes(b_variant)      
-    if obsolete_codes:
-      st.write(f"Obsolete codes from previous ISO-639 iterations, pulled from https://iso639-3.sil.org/code/{b_variant}:")
-
-      st.write(obsolete_codes)
-        
+    st.write(t_obsolete_codes)
+  if b_obsolete_codes:
+    st.write(f"Obsolete codes from previous ISO-639 iterations, pulled from https://iso639-3.sil.org/code/{b_variant}:")
+    st.write(b_obsolete_codes )
+