docs(imperative): fix code exmaple indent warnings

GitOrigin-RevId: aa533bf2964b4b40ea366329da66bd47a2ca2e52

imperative/python/megengine/tools/graph_info_analyze.py

@@ -209,7 +209,11 @@ def main():
     class to logs which can be read by python `tensorboard`.
     Now `get_static_memory_alloc_info()` support this feature,it will dump a dir
     which can be convert by `graph_info_analyze.py`.
-    Examples::
+
+    Examples:
+
+        .. code-block:: shell
+
            graph_info_analyze.py -i <input_dir_name> -o <output_dir_name>
            tensorboard --logdir <output_dir_name>
     """

imperative/python/megengine/traced_module/traced_module.py

@@ -1777,7 +1777,7 @@ class ExprFilter(BaseFilter):
 
 class NodeFilter(BaseFilter):
     """Filter on Node iterator.
-    This class is an iterator of :class:`.Node` objects and multiple 
+    This class is an iterator of :class:`~.traced_module.Node` objects and multiple
     filtering conditions and mappers can be chained.
     """
 

imperative/python/megengine/utils/tensorboard.py

@@ -141,13 +141,18 @@ class SummaryWriterExtend(SummaryWriter):
 
     def add_text(self, tag, text_string_list, global_step=None, walltime=None):
         """Add text data to summary.
+
         Args:
             tag (string): Data identifier
             text_string_list (string list): String to save
             global_step (int): Global step value to record
             walltime (float): Optional override default walltime (time.time())
                 seconds after epoch of event
-        Examples::
+
+        Examples:
+
+            .. code-block:: python
+
                # text can be divided into three levels by tag and global_step
                from writer import SummaryWriterExtend
                writer = SummaryWriterExtend()
@@ -171,8 +176,11 @@ class SummaryWriterExtend(SummaryWriter):
         dtype=None,
         attributes={},
     ):
-        """Add node raw datas that can help build graph.After add all nodes, call
-           add_graph_by_node_raw_list() to build graph and add graph data to summary.
+        """Add node raw datas that can help build graph.
+
+        After add all nodes, call ``add_graph_by_node_raw_list()`` to build
+        graph and add graph data to summary.
+
         Args:
             name (string): opr name.
             op (string): opr class name.
@@ -180,7 +188,11 @@ class SummaryWriterExtend(SummaryWriter):
             outputshape (list): output shape.
             dtype (string): output data dtype.
             attributes (dict): attributes info.
-        Examples::
+
+        Examples:
+
+            .. code-block:: python
+
                from writer import SummaryWriterExtend
                writer = SummaryWriterExtend()