Exports CSV reader/writer to root package (#2)

bonobo/__init__.py

@@ -23,7 +23,7 @@ import os
 import sys
 
 from .core import *
-from .io import FileReader, FileWriter, JsonReader, JsonWriter
+from .io import CsvReader, CsvWriter, FileReader, FileWriter, JsonReader, JsonWriter
 from .util import *
 
 PY35 = (sys.version_info >= (3, 5))
@@ -36,6 +36,8 @@ with open(os.path.realpath(os.path.join(os.path.dirname(__file__), '../version.t
 
 __all__ = [
     'Bag',
+    'CsvReader',
+    'CsvWriter',
     'FileReader',
     'FileWriter',
     'Graph',

bonobo/io/__init__.py

@@ -2,8 +2,11 @@
 
 from .file import FileReader, FileWriter
 from .json import JsonReader, JsonWriter
+from .csv import CsvReader, CsvWriter
 
 __all__ = [
+    'CsvReader',
+    'CsvWriter',
     'FileReader',
     'FileWriter',
     'JsonReader',

tests/io/test_csv.py

@@ -1,8 +1,7 @@
 import pytest
 
-from bonobo import Bag
+from bonobo import Bag, CsvReader, CsvWriter
 from bonobo.core.contexts import ComponentExecutionContext
-from bonobo.io.csv import CsvReader, CsvWriter
 from bonobo.util.testing import CapturingComponentExecutionContext
 from bonobo.util.tokens import BEGIN, END