fix E902 and E903 numbering

spacy/errors.py

@@ -456,10 +456,10 @@ class Errors:
             "issue tracker: http://github.com/explosion/spaCy/issues")
 
     # TODO: fix numbering after merging develop into master
-    E092 = ("The sentence-per-line IOB/IOB2 file is not formatted correctly. "
+    E902 = ("The sentence-per-line IOB/IOB2 file is not formatted correctly. "
             "Try checking whitespace and delimiters. See "
             "https://nightly.spacy.io/api/cli#convert")
-    E093 = ("The token-per-line NER file is not formatted correctly. Try checking "
+    E903 = ("The token-per-line NER file is not formatted correctly. Try checking "
             "whitespace and delimiters. See https://nightly.spacy.io/api/cli#convert")
     E904 = ("Cannot initialize StaticVectors layer: nO dimension unset. This "
             "dimension refers to the output width, after the linear projection "

spacy/training/converters/conll_ner_to_docs.py

@@ -103,7 +103,7 @@ def conll_ner_to_docs(
             lines = [line.strip() for line in conll_sent.split("\n") if line.strip()]
             cols = list(zip(*[line.split() for line in lines]))
             if len(cols) < 2:
-                raise ValueError(Errors.E093)
+                raise ValueError(Errors.E903)
             length = len(cols[0])
             words.extend(cols[0])
             sent_starts.extend([True] + [False] * (length - 1))

spacy/training/converters/iob_to_docs.py

@@ -46,7 +46,7 @@ def read_iob(raw_sents, vocab, n_sents):
                 sent_words, sent_iob = zip(*sent_tokens)
                 sent_tags = ["-"] * len(sent_words)
             else:
-                raise ValueError(Errors.E092)
+                raise ValueError(Errors.E902)
             words.extend(sent_words)
             tags.extend(sent_tags)
             iob.extend(sent_iob)