more undo

Author: gpshead

Doc/library/traceback.rst

@@ -589,18 +589,18 @@ module. ::
    import sys, traceback
 
    def run_user_code(envdir):
-      source = input(">>> ")
-      try:
-          exec(source, envdir)
-      except Exception:
-          print("Exception in user code:")
-          print("-"*60)
-          traceback.print_exc(file=sys.stdout)
-          print("-"*60)
+       source = input(">>> ")
+       try:
+           exec(source, envdir)
+       except Exception:
+           print("Exception in user code:")
+           print("-"*60)
+           traceback.print_exc(file=sys.stdout)
+           print("-"*60)
 
    envdir = {}
    while True:
-      run_user_code(envdir)
+       run_user_code(envdir)
 
 
 The following example demonstrates the different ways to print and format the
@@ -611,31 +611,31 @@ exception and traceback:
    import sys, traceback
 
    def lumberjack():
-      bright_side_of_life()
+       bright_side_of_life()
 
    def bright_side_of_life():
-      return tuple()[0]
+       return tuple()[0]
 
    try:
-      lumberjack()
+       lumberjack()
    except IndexError as exc:
-      print("*** print_tb:")
-      traceback.print_tb(exc.__traceback__, limit=1, file=sys.stdout)
-      print("*** print_exception:")
-      traceback.print_exception(exc, limit=2, file=sys.stdout)
-      print("*** print_exc:")
-      traceback.print_exc(limit=2, file=sys.stdout)
-      print("*** format_exc, first and last line:")
-      formatted_lines = traceback.format_exc().splitlines()
-      print(formatted_lines[0])
-      print(formatted_lines[-1])
-      print("*** format_exception:")
-      print(repr(traceback.format_exception(exc)))
-      print("*** extract_tb:")
-      print(repr(traceback.extract_tb(exc.__traceback__)))
-      print("*** format_tb:")
-      print(repr(traceback.format_tb(exc.__traceback__)))
-      print("*** tb_lineno:", exc.__traceback__.tb_lineno)
+       print("*** print_tb:")
+       traceback.print_tb(exc.__traceback__, limit=1, file=sys.stdout)
+       print("*** print_exception:")
+       traceback.print_exception(exc, limit=2, file=sys.stdout)
+       print("*** print_exc:")
+       traceback.print_exc(limit=2, file=sys.stdout)
+       print("*** format_exc, first and last line:")
+       formatted_lines = traceback.format_exc().splitlines()
+       print(formatted_lines[0])
+       print(formatted_lines[-1])
+       print("*** format_exception:")
+       print(repr(traceback.format_exception(exc)))
+       print("*** extract_tb:")
+       print(repr(traceback.extract_tb(exc.__traceback__)))
+       print("*** format_tb:")
+       print(repr(traceback.format_tb(exc.__traceback__)))
+       print("*** tb_lineno:", exc.__traceback__.tb_lineno)
 
 The output for the example would look similar to this: