Code styling

__init__.py

@@ -1,11 +1,11 @@
 # The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 from trytond.pool import Pool
-from .productive_process import ProductiveProcess, WithinProductiveProcess,\
-    is_in_productive_process, PYSON_NULL_PROCESS
+from .productive_process import (ProductiveProcess, is_in_productive_process,
+    WithinProductiveProcess, PYSON_NULL_PROCESS)
 
 
 def register():
     Pool.register(
         ProductiveProcess,
-        module='productive_process', type_='model')
+        module='productive_process', type_='model')

productive_process.py

@@ -47,4 +47,4 @@ class WithinProductiveProcess(Model):
             processes = Process.search([])
             if len(processes) == 1:
                 process_id = processes[0].id
-        return process_id
+        return process_id