change fallback to unknown and add a space before lang codes

ubot/modules/scrapers.py

@@ -206,12 +206,12 @@ async def wiki_cmd(event):
     await event.edit(text)
 
 
-@ldr.add("trt", pattern_extra=f"({'|'.join(constants.LANGUAGES.keys())}|)", help="Translates text to the given language code appended to the trt command, defaults to English.")
+@ldr.add("trt", pattern_extra=f"( {'| '.join(constants.LANGUAGES.keys())}|)", help="Translates text to the given language code appended to the trt command, defaults to English.")
 async def translate(event):
     text_arg = await ldr.get_text(event)
-    lang = event.other_args[0].lower() or "en"
+    lang = event.other_args[0].lower().strip() or "en"
     translation = translator.translate(text_arg, dest=lang)
-    await event.edit(f"Translated from **{constants.LANGUAGES.get(translation.src.lower(), 'English').title()}** to **{constants.LANGUAGES.get(translation.dest.lower(), 'English').title()}**:\n\n__{translation.text}__")
+    await event.edit(f"Translated from **{constants.LANGUAGES.get(translation.src.lower(), 'Unknown').title()}** to **{constants.LANGUAGES.get(translation.dest.lower(), 'Unknown').title()}**:\n\n__{translation.text}__")
 
 
 @ldr.add("corona", help="Fetches Coronavirus stats, takes an optional country name as an argument.")