diff --git a/bonobo/examples/files/csv_handlers.py b/bonobo/examples/files/csv_handlers.py
index b4cef22..a9094b6 100644
--- a/bonobo/examples/files/csv_handlers.py
+++ b/bonobo/examples/files/csv_handlers.py
@@ -2,7 +2,7 @@ import bonobo
 from bonobo.commands.run import get_default_services
 
 graph = bonobo.Graph(
-    bonobo.CsvReader(path='datasets/coffeeshops.txt'),
+    bonobo.CsvReader('datasets/coffeeshops.txt'),
     print,
 )
 
diff --git a/bonobo/examples/files/json_handlers.py b/bonobo/examples/files/json_handlers.py
index 0bb0436..86fe6a0 100644
--- a/bonobo/examples/files/json_handlers.py
+++ b/bonobo/examples/files/json_handlers.py
@@ -7,7 +7,7 @@ def get_fields(row):
 
 
 graph = bonobo.Graph(
-    bonobo.JsonReader(path='datasets/theaters.json'),
+    bonobo.JsonReader('datasets/theaters.json'),
     get_fields,
     bonobo.PrettyPrint(title_keys=('eq_nom_equipement', )),
 )
diff --git a/bonobo/examples/files/text_handlers.py b/bonobo/examples/files/text_handlers.py
index 04b675e..6ca6ef8 100644
--- a/bonobo/examples/files/text_handlers.py
+++ b/bonobo/examples/files/text_handlers.py
@@ -8,7 +8,7 @@ def skip_comments(line):
 
 
 graph = bonobo.Graph(
-    bonobo.FileReader(path='datasets/passwd.txt'),
+    bonobo.FileReader('datasets/passwd.txt'),
     skip_comments,
     lambda s: s.split(':'),
     lambda l: l[0],
diff --git a/bonobo/examples/tutorials/tut02_01_read.py b/bonobo/examples/tutorials/tut02_01_read.py
index 9806d43..0eb6786 100644
--- a/bonobo/examples/tutorials/tut02_01_read.py
+++ b/bonobo/examples/tutorials/tut02_01_read.py
@@ -1,7 +1,7 @@
 import bonobo
 
 graph = bonobo.Graph(
-    bonobo.FileReader(path='coffeeshops.txt'),
+    bonobo.FileReader('coffeeshops.txt'),
     print,
 )
 
diff --git a/bonobo/examples/tutorials/tut02_02_write.py b/bonobo/examples/tutorials/tut02_02_write.py
index 161c58e..1d41ac2 100644
--- a/bonobo/examples/tutorials/tut02_02_write.py
+++ b/bonobo/examples/tutorials/tut02_02_write.py
@@ -6,9 +6,9 @@ def split_one(line):
 
 
 graph = bonobo.Graph(
-    bonobo.FileReader(path='coffeeshops.txt'),
+    bonobo.FileReader('coffeeshops.txt'),
     split_one,
-    bonobo.JsonWriter(path='coffeeshops.json'),
+    bonobo.JsonWriter('coffeeshops.json'),
 )
 
 if __name__ == '__main__':
diff --git a/bonobo/examples/tutorials/tut02_03_writeasmap.py b/bonobo/examples/tutorials/tut02_03_writeasmap.py
index 4598b56..3fe4c08 100644
--- a/bonobo/examples/tutorials/tut02_03_writeasmap.py
+++ b/bonobo/examples/tutorials/tut02_03_writeasmap.py
@@ -16,9 +16,9 @@ class MyJsonWriter(bonobo.JsonWriter):
 
 
 graph = bonobo.Graph(
-    bonobo.FileReader(path='coffeeshops.txt'),
+    bonobo.FileReader('coffeeshops.txt'),
     split_one_to_map,
-    MyJsonWriter(path='coffeeshops.json'),
+    MyJsonWriter('coffeeshops.json'),
 )
 
 if __name__ == '__main__':