diff --git a/document_ocr/__manifest__.py b/document_ocr/__manifest__.py
index 39d783d1..ad012794 100644
--- a/document_ocr/__manifest__.py
+++ b/document_ocr/__manifest__.py
@@ -4,7 +4,9 @@
 {
     "name": "OCR for Documents",
     "version": "10.0.1.0.0",
-    "author": "Therp BV, Odoo Community Association (OCA), ThinkOpen Solutions Brasil",
+    "author": "Therp BV,"
+              " Odoo Community Association (OCA),"
+              " ThinkOpen Solutions Brasil",
     "license": "AGPL-3",
     "category": "Knowledge Management",
     "summary": "Run character recognition on uploaded files",
diff --git a/document_ocr/models/ir_attachment.py b/document_ocr/models/ir_attachment.py
index f28e1fc9..ef683a37 100644
--- a/document_ocr/models/ir_attachment.py
+++ b/document_ocr/models/ir_attachment.py
@@ -9,7 +9,7 @@ import subprocess
 from StringIO import StringIO
 
 import pyPdf
-from odoo import api, fields, models
+from odoo import api, fields, models, _
 from odoo.exceptions import UserError
 
 _logger = logging.getLogger(__name__)
@@ -126,11 +126,14 @@ OCR_LANGUAGE = [('afr', 'Afrikaans'),
 class IrAttachment(models.Model):
     _inherit = 'ir.attachment'
 
-    language = fields.Selection(OCR_LANGUAGE, 'Language')
+    language = fields.Selection(OCR_LANGUAGE, _('Language'))
     # We need to redefine index_content field to be able to update it
     # on the onchange_language()
-    index_content = fields.Text('Indexed Content', readonly=False, prefetch=False)
-    index_content_rel = fields.Text(related='index_content', string='Indexed Content Rel')
+    index_content = fields.Text(_('Indexed Content'),
+                                readonly=False,
+                                prefetch=False)
+    index_content_rel = fields.Text(related='index_content',
+                                    string=_('Indexed Content Rel'))
 
     @api.onchange('language')
     def onchange_language(self):
@@ -139,11 +142,11 @@ class IrAttachment(models.Model):
                                    stderr=subprocess.PIPE)
         stdout, stderr = process.communicate()
         if self.language not in stderr.split('\n'):
-            raise UserError(
+            raise UserError(_(
                 "Language not installed."
                 " Please ask your system administrator to"
                 " install tesseract '%s' language." %
-                self.language)
+                self.language))
         if self.store_fname:
             bin_data = self._file_read(self.store_fname)
         else:
@@ -216,7 +219,8 @@ class IrAttachment(models.Model):
         if synchr:
             buf = super(IrAttachment, self)._index_pdf(bin_data)
             if len(buf.split('\n')) < 2 and bin_data.startswith('%PDF-'):
-                # If we got less than 2 lines, run OCR and append to existent text
+                # If we got less than 2 lines,
+                # run OCR anyway and append to existent text
                 try:
                     f = StringIO(bin_data)
                     pdf = pyPdf.PdfFileReader(f)
diff --git a/document_ocr/tests/test_document_ocr.py b/document_ocr/tests/test_document_ocr.py
index e54a6ac0..10c253c6 100644
--- a/document_ocr/tests/test_document_ocr.py
+++ b/document_ocr/tests/test_document_ocr.py
@@ -5,7 +5,7 @@
 from StringIO import StringIO
 
 from PIL import Image, ImageDraw, ImageFont
-from odoo.addons.document_ocr.models.ir_attachment import _MARKER_PHRASE
+from models.ir_attachment import _MARKER_PHRASE
 from odoo.tests.common import TransactionCase
 
 
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 00000000..943dea2b
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+tesseract
\ No newline at end of file