Rename 'argu' in framework.py to 'arg' (#5723)

Author: JiayiFeng

python/paddle/v2/fluid/framework.py

@@ -4,7 +4,10 @@
 import numpy as np
 import copy
 
-__all__ = ['Block', 'Variable', 'Program', 'Operator', 'default_startup_program', 'default_main_program']
+__all__ = [
+    'Block', 'Variable', 'Program', 'Operator', 'default_startup_program',
+    'default_main_program'
+]
 
 
 def unique_name(prefix):
@@ -232,17 +235,17 @@ def find_name(var_list, name):
                     in_proto.name)
 
                 if found:
-                    in_argus = inputs[in_proto.name]
-                    if not isinstance(in_argus, list):
-                        in_argus = [in_argus]
-                    if not in_proto.duplicable and len(in_argus) > 1:
+                    in_args = inputs[in_proto.name]
+                    if not isinstance(in_args, list):
+                        in_args = [in_args]
+                    if not in_proto.duplicable and len(in_args) > 1:
                         raise ValueError(
                             "Input %s expects only one input, but %d are given."
-                            % (in_proto.name, len(in_argus)))
-                    in_argu_names = []
-                    for argu in in_argus:
-                        in_argu_names.append(argu.name)
-                    self.desc.set_input(in_proto.name, in_argu_names)
+                            % (in_proto.name, len(in_args)))
+                    in_arg_names = []
+                    for arg in in_args:
+                        in_arg_names.append(arg.name)
+                    self.desc.set_input(in_proto.name, in_arg_names)
                 else:
                     self.desc.set_input(in_proto.name, [])
 
@@ -260,18 +263,18 @@ def find_name(var_list, name):
                         str(e) for e in given)))
 
             for out_proto in proto.outputs:
-                out_argus = outputs[out_proto.name]
-                if not isinstance(out_argus, list):
-                    out_argus = [out_argus]
-                if not out_proto.duplicable and len(out_argus) > 1:
+                out_args = outputs[out_proto.name]
+                if not isinstance(out_args, list):
+                    out_args = [out_args]
+                if not out_proto.duplicable and len(out_args) > 1:
                     raise ValueError(
                         "Output %s expects only one output, but %d are given." %
-                        (out_proto.name, len(out_argus)))
-                out_argu_names = []
-                for argu in out_argus:
-                    out_argu_names.append(argu.name)
-                    argu.op = self
-                self.desc.set_output(out_proto.name, out_argu_names)
+                        (out_proto.name, len(out_args)))
+                out_arg_names = []
+                for arg in out_args:
+                    out_arg_names.append(arg.name)
+                    arg.op = self
+                self.desc.set_output(out_proto.name, out_arg_names)
 
         if attrs is not None:
             if not isinstance(attrs, dict):
@@ -582,8 +585,10 @@ def __init__(self, block, shape, dtype, **kwargs):
 g_main_program = Program()
 g_startup_program = Program()
 
+
 def default_startup_program():
     return g_startup_program
 
+
 def default_main_program():
     return g_main_program