recommend subword_nmt.py as alternative to pip install in README

README.md

@@ -34,6 +34,9 @@ The original segmentation can be restored with a simple replacement:
 
     sed -r 's/(@@ )|(@@ ?$)//g'
 
+If you cloned the repository and did not install a package, you can also run `subword_nmt.py` as a script:
+
+    ./subword-nmt/subword_nmt.py learn-bpe -s {num_operations} < {train_file} > {codes_file}
 
 BEST PRACTICE ADVICE FOR BYTE PAIR ENCODING IN NMT
 --------------------------------------------------

setup.py

@@ -19,7 +19,7 @@ setup(
     test_suite='setup.test_suite',
     packages=find_packages(),
     entry_points={
-        'console_scripts': ['subword-nmt=subword_nmt.command_line:main'],
+        'console_scripts': ['subword-nmt=subword_nmt.subword_nmt:main'],
     },
     include_package_data=True
 )

subword_nmt/subword_nmt.py

@@ -1,17 +1,20 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
 import io
 import sys
 import codecs
 import argparse
 
-from subword_nmt.learn_bpe import learn_bpe
-from subword_nmt.apply_bpe import BPE, read_vocabulary
-from subword_nmt.get_vocab import get_vocab
-from subword_nmt.learn_joint_bpe_and_vocab import learn_joint_bpe_and_vocab
+from learn_bpe import learn_bpe
+from apply_bpe import BPE, read_vocabulary
+from get_vocab import get_vocab
+from learn_joint_bpe_and_vocab import learn_joint_bpe_and_vocab
 
-from subword_nmt.learn_bpe import create_parser as create_learn_bpe_parser
-from subword_nmt.apply_bpe import create_parser as create_apply_bpe_parser
-from subword_nmt.get_vocab import create_parser as create_get_vocab_parser
-from subword_nmt.learn_joint_bpe_and_vocab import create_parser as create_learn_joint_bpe_and_vocab_parser
+from learn_bpe import create_parser as create_learn_bpe_parser
+from apply_bpe import create_parser as create_apply_bpe_parser
+from get_vocab import create_parser as create_get_vocab_parser
+from learn_joint_bpe_and_vocab import create_parser as create_learn_joint_bpe_and_vocab_parser
 
 # hack for python2/3 compatibility
 argparse.open = io.open