Fix linter

tests/app/performance_test.py

@@ -6,18 +6,30 @@
 
 
 def get_cell(seconds):
-    cell = ', { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "time.sleep(' + str(seconds) + ')\\n", "t1 = time.time()\\n", "log += str(t1 - t0) + \'\\\\n\'\\n", "t0 = t1" ] }'
+    cell = ', { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], '
+           '"source": [ "time.sleep(' + str(seconds) + ')\\n", "t1 = time.time()\\n", "log += '
+           'str(t1 - t0) + \'\\\\n\'\\n", "t0 = t1" ] }'
     return cell
 
+
 def get_ipynb(cell_nb, sleep_per_cell, result_dir):
-    ipynb = '{ "cells": [ { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "import uuid\\n", "import time\\n", "fname = str(uuid.uuid4()) + \'.log\'\\n", "log = \'\'\\n", "t0 = time.time()" ] }'
+    ipynb = '{ "cells": [ { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs"'
+            ': [], "source": [ "import uuid\\n", "import time\\n", "fname = str(uuid.uuid4()) + \''
+            '.log\'\\n", "log = \'\'\\n", "t0 = time.time()" ] }'
     for i in range(cell_nb):
         cell = get_cell(sleep_per_cell)
         ipynb += cell
-    ipynb += ', { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], "source": [ "with open(\'' + result_dir + '/\' + fname, \'w\') as f:\\n", "    f.write(log)" ] }'
-    ipynb += ' ], "metadata": { "kernelspec": { "display_name": "Python 3", "language": "python", "name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", "version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python", "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.8.1" } }, "nbformat": 4, "nbformat_minor": 4 }'
+    ipynb += ', { "cell_type": "code", "execution_count": null, "metadata": {}, "outputs": [], '
+             '"source": [ "with open(\'' + result_dir + '/\' + fname, \'w\') as f:\\n", "    '
+             'f.write(log)" ] }'
+    ipynb += ' ], "metadata": { "kernelspec": { "display_name": "Python 3", "language": "python", '
+             '"name": "python3" }, "language_info": { "codemirror_mode": { "name": "ipython", '
+             '"version": 3 }, "file_extension": ".py", "mimetype": "text/x-python", "name": "python"'
+             ', "nbconvert_exporter": "python", "pygments_lexer": "ipython3", "version": "3.8.1" } }'
+             ', "nbformat": 4, "nbformat_minor": 4 }'
     return ipynb
 
+
 def test_performance():
     sleep_per_cell = 0.1  # each cell sleeps for that amount of seconds
     cell_nb = 100  # each notebook consists of so many cells
@@ -52,13 +64,13 @@ def test_performance():
     i = 0
     exec_time = cell_nb * sleep_per_cell  # notebook execution time
     launch_time = client_nb * 0.5  # kernel takes about 0.5s to launch
-    min_time = launch_time + exec_time  # theoretical time for all notebooks to execute
+    # min_time = launch_time + exec_time  # theoretical time for all notebooks to execute
     timeout_time = launch_time + 2 * exec_time  # timeout allows slow machines to finish
     while not done:
         time.sleep(1)
         done = True
         i += 1
-        #print(i, '/', min_time)
+        # print(i, '/', min_time)
         for client in clients:
             if client.poll() is None:
                 done = False