python - how dcan i install Ipython.paths, so that the jupyter notebook kernel works? -


following python course, had install jupyter,

but when opening new python3 project browser page, pop message :

dead kernel

the kernel has died, , automatic restart has failed. possible kernel cannot restarted. if not able restart kernel, still able save notebook, running code no longer work until notebook reopened.

on terminal, here comes :

warning:root:kernel 3103f319-5721-4b62-98b0-649dcc448421 restarted traceback (most recent call last):   file "/usr/lib/python3.5/runpy.py", line 184, in _run_module_as_main     "__main__", mod_spec)   file "/usr/lib/python3.5/runpy.py", line 85, in _run_code     exec(code, run_globals)   file "/usr/local/lib/python3.5/dist-packages/ipykernel_launcher.py", line 15, in <module>     ipykernel import kernelapp app   file "/usr/local/lib/python3.5/dist-packages/ipykernel/__init__.py", line 2, in <module>     .connect import *   file "/usr/local/lib/python3.5/dist-packages/ipykernel/connect.py", line 14, in <module>     ipython.paths import get_ipython_dir importerror: no module named 'ipython.paths' [w 01:24:38.987 notebookapp] kernelrestarter: restart failed [w 01:24:38.988 notebookapp] kernel 3103f319-5721-4b62-98b0-649dcc448421 died, removing map. error:root:kernel 3103f319-5721-4b62-98b0-649dcc448421 restarted failed! [w 01:24:42.242 notebookapp] kernel deleted before session [w 01:24:42.243 notebookapp] 410 delete /api/sessions/396ef2da-3d1d-4416-a959-45500e346b2a (127.0.0.1) 3.83ms referer=http://localhost:8888/notebooks/untitled4.ipynb?kernel_name=python3 [i 01:26:23.898 notebookapp] saving file @ /untitled4.ipynb

i tried installing ipython.paths, running 

pip3 install paths

but :

collecting paths   downloading paths-0.0.1a1.tar.gz     complete output command python setup.py egg_info:     traceback (most recent call last):       file "<string>", line 1, in <module>       file "/tmp/pip-build-qppr67p0/paths/setup.py", line 11, in <module>         paths import metadata       file "/tmp/pip-build-qppr67p0/paths/paths/__init__.py", line 31         print type(filename)                  ^     syntaxerror: invalid syntax      ---------------------------------------- command "python setup.py egg_info" failed error code 1 in /tmp/pip-build-qppr67p0/paths/

i've tried review various threads, including this one , none seemed exactely i'm looking for... help


Comments

Post a Comment

Popular posts from this blog

android - InAppBilling registering BroadcastReceiver in AndroidManifest -

i'm implementing inapp billing in android app. works well, however, i'm trying decouple broadcast receiver activity manifest. suggestion in android's trivialdrive sample: // important: dynamically register broadcast messages updated purchases. // register receiver here instead of <receiver> in manifest // because call getpurchases() @ startup, therefore can ignore // broadcasts sent while app isn't running. // note: registering listener in activity bad idea, done here // because sample. regardless, receiver must registered after // iabhelper setup, before first call getpurchases(). currently there's class extends broadcastreceiver : public class iabbroadcastreceiver extends broadcastreceiver { /** * intent action receiver should filter for. */ public static final string action = "com.android.vending.billing.purchases_updated"; private final iabbroadcastlistener mlistener; public iabbroadcastreceiver(iabbroadcastlistener listener) { m...
Read more

python Tkinter Capturing keyboard events save as one single string -

is possible store keyboard events 1 string? code below stores 1 char , prints it. card reader or bar code reader, contains collection of character/ string not 1 character @ time. goal save char pressed text variable. from tkinter import * root = tk() def key(event): text= event.char text+= event.char print ("pressed", text) def callback(event): frame.focus_set() print ("clicked at", event.x, event.y) frame = frame(root, width=100, height=100) frame.bind("<key>", key) frame.bind("<button-1>", callback) frame.pack() root.mainloop() currently, creating text variable , everytime key() function gets called, , text stores last character typed. you can define text module level variable , , use module level text inside key function - text = '' def key(event): global text text+= event.char print("pressed", text)
Read more

sql server - Why does Linq-to-SQL add unnecessary COUNT()? -

here tables: create table customer ( cid int primary key, name varchar(32) ) create table ord ( oid int primary key, cid int foreign key references customer, address varchar(20) ) here's linq-to-sql statement: var aaa = c in db.customer select new { c, o = c.ord.tolist() }; and here's inexplicable query generated linq-to-sql: select [t0].[cid] [cid], [t0].[name] [name], [t1].[oid] [oid], [t1].[cid] [cid2], [t1].[address] [address], (select count(*) [dbo].[ord] [t2] [t2].[cid] = [t0].[cid]) [value] [dbo].[customer] [t0] left outer join [dbo].[ord] [t1] on [t1].[cid] = [t0].[cid] order [t0].[cid], [t1].[oid] i want understand how rid of count(*) part. it's entirely uncalled for! linq needs count(*) in order determine number of entries returned o = c.ord.tolist() .
Read more