readme fixes

README.md

@@ -989,7 +989,7 @@ https://stackoverflow.com/questions/1074212/how-can-i-see-the-raw-sql-queries-dj
 
 <details><summary><i>Click to expand...</i></summary>
 
-```bash|
+```bash
 # docker-compose.yml:
 services:
     archivebox:

archivebox/logging_util.py

@@ -517,8 +517,8 @@ def log_shell_welcome_msg():
     from .cli import list_subcommands
 
     print('{green}# ArchiveBox Imports{reset}'.format(**ANSI))
-    print('{green}from core.models import Snapshot, User{reset}'.format(**ANSI))
-    print('{green}from archivebox import *\n    {}{reset}'.format("\n    ".join(list_subcommands().keys()), **ANSI))
+    print('{green}from archivebox.core.models import Snapshot, ArchiveResult, Tag, User{reset}'.format(**ANSI))
+    print('{green}from archivebox.cli import *\n    {}{reset}'.format("\n    ".join(list_subcommands().keys()), **ANSI))
     print()
     print('[i] Welcome to the ArchiveBox Shell!')
     print('    https://github.com/ArchiveBox/ArchiveBox/wiki/Usage#Shell-Usage')

archivebox/system.py

@@ -185,17 +185,19 @@ def dedupe_cron_jobs(cron: CronTab) -> CronTab:
 
 
 class suppress_output(object):
-    '''
+    """
     A context manager for doing a "deep suppression" of stdout and stderr in 
     Python, i.e. will suppress all print, even if the print originates in a 
     compiled C/Fortran sub-function.
-       This will not suppress raised exceptions, since exceptions are printed
+    
+    This will not suppress raised exceptions, since exceptions are printed
     to stderr just before a script exits, and after the context manager has
     exited (at least, I think that is why it lets exceptions through).      
 
     with suppress_stdout_stderr():
         rogue_function()
-    '''
+    """
+    
     def __init__(self, stdout=True, stderr=True):
         # Open a pair of null files
         # Save the actual stdout (1) and stderr (2) file descriptors.