Address code review comments

Author: lukhnos

Source/Data/curation/compilers/postprocess.py

@@ -30,7 +30,7 @@ def segmented_values(nodes):
 
 def find_top_unigram_in_lm(lm, reading):
     if reading not in lm:
-        return 0
+        return None
 
     unigrams = lm[reading]
     v, s = unigrams[0]
@@ -80,7 +80,7 @@ def promote_over_single_syllables(lineno, lm, value, reading):
     readings = reading.split("-")
 
     if len(value) != len(readings):
-        print("line %d, number of codepoints don't match readings")
+        print("line %d, number of codepoints don't match readings" % lineno)
         accrue_error()
         return
 
@@ -92,6 +92,11 @@ def promote_over_single_syllables(lineno, lm, value, reading):
 
     # validate data
     unigrams = [find_top_unigram_in_lm(lm, r) for r in readings]
+    if not all(unigrams):
+        print("line %d, cannot find all single-syllable readings" % lineno)
+        accrue_error()
+        return
+
     their_scores = sum(u[1] for u in unigrams)
 
     if their_scores <= our_score:
@@ -128,7 +133,7 @@ def promote_over_peers(lineno, lm, value, reading):
 
     top_gram = find_top_unigram_in_lm(lm, reading)
     if not top_gram:
-        print("line %d, no unigrams found for reading: %s" % reading)
+        print("line %d, no unigrams found for reading: %s" % (lineno, reading))
         accrue_error()
         return