Fix documentation and layout (PEP8)

trains/backend_interface/task/args.py

@@ -16,6 +16,7 @@ class _Arguments(object):
 
     class _ProxyDictWrite(dict):
         """ Dictionary wrapper that updates an arguments instance on any item set in the dictionary """
+
         def __init__(self, arguments, *args, **kwargs):
             super(_Arguments._ProxyDictWrite, self).__init__(*args, **kwargs)
             self._arguments = arguments
@@ -27,6 +28,7 @@ class _Arguments(object):
 
     class _ProxyDictReadOnly(dict):
         """ Dictionary wrapper that prevents modifications to the dictionary """
+
         def __init__(self, arguments, *args, **kwargs):
             super(_Arguments._ProxyDictReadOnly, self).__init__(*args, **kwargs)
             self._arguments = arguments

trains/backend_interface/task/log.py

@@ -16,7 +16,7 @@ buffer_capacity = config.get('log.task_log_buffer_capacity', 100)
 class TaskHandler(BufferingHandler):
     __flush_max_history_seconds = 30.
     __wait_for_flush_timeout = 10.
-    __max_event_size = 1024*1024
+    __max_event_size = 1024 * 1024
     __once = False
 
     @property

trains/backend_interface/task/repo/scriptinfo.py

@@ -24,7 +24,7 @@ class ScriptInfoError(Exception):
 
 
 class ScriptRequirements(object):
-    _max_requirements_size = 512*1024
+    _max_requirements_size = 512 * 1024
 
     def __init__(self, root_folder):
         self._root_folder = root_folder
@@ -365,7 +365,7 @@ class ScriptInfo(object):
 
     @classmethod
     def _get_jupyter_notebook_filename(cls):
-        if not (sys.argv[0].endswith(os.path.sep+'ipykernel_launcher.py') or
+        if not (sys.argv[0].endswith(os.path.sep + 'ipykernel_launcher.py') or
                 sys.argv[0].endswith(os.path.join(os.path.sep, 'ipykernel', '__main__.py'))) \
                 or len(sys.argv) < 3 or not sys.argv[2].endswith('.json'):
             return None

trains/backend_interface/task/task.py

@@ -119,7 +119,7 @@ class Task(IdObjectBase, AccessMixin, SetupUploadMixin):
         self._curr_label_stats = {}
         self._raise_on_validation_errors = raise_on_validation_errors
         self._parameters_allowed_types = (
-                six.string_types + six.integer_types + (six.text_type, float, list, tuple, dict, type(None))
+            six.string_types + six.integer_types + (six.text_type, float, list, tuple, dict, type(None))
         )
         self._app_server = None
         self._files_server = None
@@ -683,7 +683,7 @@ class Task(IdObjectBase, AccessMixin, SetupUploadMixin):
                     "Only builtin types ({}) are allowed for values (got {})".format(
                         ', '.join(t.__name__ for t in self._parameters_allowed_types),
                         ', '.join('%s=>%s' % p for p in not_allowed.items())),
-                    )
+                )
 
             # force cast all variables to strings (so that we can later edit them in UI)
             parameters = {k: str(v) if v is not None else "" for k, v in parameters.items()}
@@ -1300,5 +1300,5 @@ class Task(IdObjectBase, AccessMixin, SetupUploadMixin):
     def __is_subprocess(cls):
         # notice this class function is called from Task.ExitHooks, do not rename/move it.
         is_subprocess = PROC_MASTER_ID_ENV_VAR.get() and \
-                        PROC_MASTER_ID_ENV_VAR.get().split(':')[0] != str(os.getpid())
+            PROC_MASTER_ID_ENV_VAR.get().split(':')[0] != str(os.getpid())
         return is_subprocess