Update using blocks

app.py

@@ -24,6 +24,12 @@ def opusmt(
     except Exception:
         to_lang = "auto"
 
+    # if empty, set to auto
+    if not from_lang:
+        from_lang = "auto"
+    if not to_lang:
+        to_lang = "auto"
+
     logger.debug("%s, %s, %s", text[:100], from_lang, to_lang)
     if to_lang in ["auto"]:
         if from_lang in ["zh"]:
@@ -42,7 +48,11 @@ def opusmt(
         )
     except Exception as e:
         logger.error(e)
-        res = f"errors: {e}"
+        if "Helsinki" in str(e):
+            res = "errors occur"
+        else:
+            res = f"errors: {e}"
+
     return res
 
 
@@ -64,7 +74,7 @@ outputs = [
     ),
 ]
 
-description = """Supported languages: aav, aed, af, alv, am, ar, art, ase, az, bat, bcl, be, bem, ber, bg, bi, bn, bnt, bzs, ca, cau, ccs, ceb, cel, chk, cpf, crs, cs, csg, csn, cus, cy, da, de, dra, ee, efi, el, en, eo, es, et, eu, euq, fi, fj, fr, fse, ga, gaa, gil, gl, grk, guw, gv, ha, he, hi, hil, ho, hr, ht, hu, hy, id, ig, ilo, is, iso, it, ja, jap, ka, kab, kg, kj, kl, ko, kqn, kwn, kwy, lg, ln, loz, lt, lu, lua, lue, lun, luo, lus, lv, map, mfe, mfs, mg, mh, mk, mkh, ml, mos, mr, ms, mt, mul, ng, nic, niu, nl, no, nso, ny, nyk, om, pa, pag, pap, phi, pis, pl, pon, poz, pqe, pqw, prl, pt, rn, rnd, ro, roa, ru, run, rw, sal, sg, sh, sit, sk, sl, sm, sn, sq, srn, ss, ssp, st, sv, sw, swc, taw, tdt, th, ti, tiv, tl, tll, tn, to, toi, tpi, tr, trk, ts, tum, tut, tvl, tw, ty, tzo, uk, umb, ur, ve, vi, vsl, wa, wal, war, wls, xh, yap, yo, yua, zai, zh, zne. Refer to [https://github.com/UKPLab/EasyNMT](https://github.com/UKPLab/EasyNMT) for details. Estimated speed 6-60 sents/sec.
+description = """Supported languages: aav, aed, af, alv, am, ar, art, ase, az, bat, bcl, be, bem, ber, bg, bi, bn, bnt, bzs, ca, cau, ccs, ceb, cel, chk, cpf, crs, cs, csg, csn, cus, cy, da, de, dra, ee, efi, el, en, eo, es, et, eu, euq, fi, fj, fr, fse, ga, gaa, gil, gl, grk, guw, gv, ha, he, hi, hil, ho, hr, ht, hu, hy, id, ig, ilo, is, iso, it, ja, jap, ka, kab, kg, kj, kl, ko, kqn, kwn, kwy, lg, ln, loz, lt, lu, lua, lue, lun, luo, lus, lv, map, mfe, mfs, mg, mh, mk, mkh, ml, mos, mr, ms, mt, mul, ng, nic, niu, nl, no, nso, ny, nyk, om, pa, pag, pap, phi, pis, pl, pon, poz, pqe, pqw, prl, pt, rn, rnd, ro, roa, ru, run, rw, sal, sg, sh, sit, sk, sl, sm, sn, sq, srn, ss, ssp, st, sv, sw, swc, taw, tdt, th, ti, tiv, tl, tll, tn, to, toi, tpi, tr, trk, ts, tum, tut, tvl, tw, ty, tzo, uk, umb, ur, ve, vi, vsl, wa, wal, war, wls, xh, yap, yo, yua, zai, zh, zne. Refer to [https://github.com/UKPLab/EasyNMT](https://github.com/UKPLab/EasyNMT) for details. Estimated speed: 6-60 sents/sec.
 """
 
 _ = """