diff --git a/stackviz/export.py b/stackviz/export.py
index b8bcab4..f1e0824 100644
--- a/stackviz/export.py
+++ b/stackviz/export.py
@@ -55,7 +55,7 @@ def open_compressed(output_dir, file_name, compress):
     else:
         open_func = open
 
-    return open_func(os.path.join(output_dir, file_name), 'wb'), file_name
+    return open_func(os.path.join(output_dir, file_name), 'w'), file_name
 
 
 def json_date_handler(object):
@@ -195,7 +195,7 @@ def export_tempest(provider, output_dir, compress):
 
 
 def export_dstat(path, output_dir, compress):
-    f = open(path, 'rb')
+    f = open(path, 'r')
     out_stream, out_file = open_compressed(
         output_dir,
         'dstat.csv',
diff --git a/stackviz/parser/tempest_subunit.py b/stackviz/parser/tempest_subunit.py
index 60a4198..8ac6933 100644
--- a/stackviz/parser/tempest_subunit.py
+++ b/stackviz/parser/tempest_subunit.py
@@ -222,7 +222,7 @@ def _strip(text):
 
 
 def _clean_details(details):
-    return {_strip(k): v.as_text() for k, v in details.iteritems()
+    return {_strip(k): v.as_text() for k, v in list(details.items())
             if v.as_text()}