remove unicode (GoogleCloudPlatform#1246)

Author: dizcology

vision/cloud-client/detect/beta_snippets.py

@@ -57,7 +57,7 @@ def detect_document(path):
  block_symbols.extend(word.symbols)
  word_text = ''
  for symbol in word.symbols:
- word_text = unicode(word_text) + unicode(symbol.text)
+ word_text = word_text + symbol.text
  print(u'\tSymbol text: {} (confidence: {})'.format(
  symbol.text, symbol.confidence))
  print(u'Word text: {} (confidence: {})\n'.format(
@@ -94,7 +94,7 @@ def detect_document_uri(uri):
  block_symbols.extend(word.symbols)
  word_text = ''
  for symbol in word.symbols:
- word_text = unicode(word_text) + unicode(symbol.text)
+ word_text = word_text + symbol.text
  print(u'\tSymbol text: {} (confidence: {})'.format(
  symbol.text, symbol.confidence))
  print(u'Word text: {} (confidence: {})\n'.format(