Fix errors from 'sage -tox -e pycodestyle -- --ignore E402 src/sage/**/all*.py'

Author: Matthias Koeppe

src/sage/all.py

@@ -57,13 +57,9 @@
 import operator
 import math
 
-################ end setup warnings ###############################
-
 # includes .all__sagemath_objects, .all__sagemath_environment
 from sage.all__sagemath_repl import *
 
-###################################################################
-
 # This import also sets up the interrupt handler
 from cysignals.signals import (AlarmInterrupt, SignalError,
                                sig_on_reset as sig_on_count)

src/sage/all__sagemath_repl.py

@@ -1,4 +1,5 @@
-############ setup warning filters before importing Sage stuff ####
+# Set up warning filters before importing Sage stuff
+
 import sys
 import warnings
 

src/sage/combinat/all__sagemath_combinat.py

@@ -49,7 +49,10 @@
 lazy_import('sage.combinat.skew_partition', ['SkewPartition', 'SkewPartitions'])
 
 # Partition algebra
-from sage.combinat.partition_algebra import SetPartitionsAk, SetPartitionsPk, SetPartitionsTk, SetPartitionsIk, SetPartitionsBk, SetPartitionsSk, SetPartitionsRk, SetPartitionsPRk
+from sage.combinat.partition_algebra import (SetPartitionsAk, SetPartitionsPk,
+                                             SetPartitionsTk, SetPartitionsIk,
+                                             SetPartitionsBk, SetPartitionsSk,
+                                             SetPartitionsRk, SetPartitionsPRk)
 
 # Raising operators
 lazy_import('sage.combinat.partition_shifting_algebras', 'ShiftingOperatorAlgebra')

src/sage/misc/all.py

@@ -27,7 +27,9 @@
 lazy_import("sage.misc.cython", "cython_compile", "cython")
 
 # Following will go to all__sagemath_repl.py in #36566
-from sage.misc.explain_pickle import explain_pickle, unpickle_newobj, unpickle_build, unpickle_instantiate, unpickle_persistent, unpickle_extension, unpickle_appends
+from sage.misc.explain_pickle import (explain_pickle, unpickle_newobj, unpickle_build,
+                                      unpickle_instantiate, unpickle_persistent,
+                                      unpickle_extension, unpickle_appends)
 
 lazy_import('sage.misc.inline_fortran', 'fortran')