diff -r c02818d7e29f -r 7e61baa047f0 svgui/pyjs/build.py
--- a/svgui/pyjs/build.py	Mon Aug 14 22:30:41 2017 +0300
+++ b/svgui/pyjs/build.py	Mon Aug 14 23:27:15 2017 +0300
@@ -63,6 +63,7 @@
 def read_boilerplate(data_dir, filename):
     return open(join(data_dir, "builder/boilerplate", filename)).read()
 
+
 def copy_boilerplate(data_dir, filename, output_dir):
     filename = join(data_dir, "builder/boilerplate", filename)
     shutil.copy(filename, output_dir)
@@ -103,6 +104,7 @@
     if errors:
         print errors
 
+
 def check_html_file(source_file, dest_path):
     """ Checks if a base HTML-file is available in the PyJamas
         output directory.
@@ -523,15 +525,19 @@
 
     return app_files
 
+
 def flattenlist(ll):
     res = []
     for l in ll:
         res += l
     return res
 
-# creates sub-dependencies e.g. pyjamas.ui.Widget
-# creates pyjamas.ui.Widget, pyjamas.ui and pyjamas.
+
 def subdeps(m):
+    """
+    creates sub-dependencies e.g. pyjamas.ui.Widget
+    creates pyjamas.ui.Widget, pyjamas.ui and pyjamas.
+    """
     d = []
     m = m.split(".")
     for i in range(0, len(m)):
@@ -540,6 +546,7 @@
 
 import time
 
+
 def add_subdeps(deps, mod_name):
     sd = subdeps(mod_name)
     if len(sd) == 1:
@@ -558,14 +565,18 @@
     #print deps
     return res
 
-# makes unique and preserves list order
+
 def uniquify(md):
+    """
+    makes unique and preserves list order
+    """
     res = []
     for m in md:
         if m not in res:
             res.append(m)
     return res
 
+
 def filter_mods(app_name, md):
     while 'sys' in md:
         md.remove('sys')
@@ -578,6 +589,7 @@
 
     return uniquify(md)
 
+
 def filter_deps(app_name, deps):
 
     res = {}
@@ -588,11 +600,13 @@
         res[k] = mods
     return res
 
+
 def has_nodeps(mod, deps):
     if not deps.has_key(mod) or not deps[mod]:
         return True
     return False
 
+
 def nodeps_list(mod_list, deps):
     res = []
     for mod in mod_list:
@@ -655,6 +669,7 @@
 
     return ordered_deps
 
+
 def main():
     global app_platforms