Merge pull request statsmodels#9351 from bashtage/88-chars

STY: Accept 88 characters in linting

lint.sh

@@ -17,7 +17,9 @@ if [ "$LINT" == true ]; then
     # pass _all_ flake8 checks
     echo "Linting known clean files with strict rules"
     # Default flake8 rules plus the additional rules from setup.cfg
-    flake8 --isolated --ignore=E121,E123,E126,E226,E24,E704,W503,W504,E741,E203 \
+    flake8 --isolated  \
+        --max-line-length 88 \
+        --ignore=E121,E123,E126,E226,E24,E704,W503,W504,E741,E203 \
         examples \
         setup.py \
         statsmodels/__init__.py \
@@ -377,7 +379,7 @@ if [ "$LINT" == true ]; then
     if [ -n "$NEW_FILES" ]; then
         echo "Linting newly added files with strict rules"
         echo "New files: $NEW_FILES"
-        flake8 --isolated --ignore=E121,E123,E126,E226,E24,E704,W503,W504,E741,E203 $(eval echo $NEW_FILES)
+        flake8 --isolated --max-line-length 88 --ignore=E121,E123,E126,E226,E24,E704,W503,W504,E741,E203 $(eval echo $NEW_FILES)
         if [ $? -ne "0" ]; then
             echo "New files failed linting."
             RET=1

setup.cfg

@@ -103,7 +103,8 @@ markers =
 junit_family = xunit2
 
 [flake8]
-exclude=.git,build,docs,archive
+exclude = .git,build,docs,archive
+max-line-length = 88
 ignore=
     W503,
     # W503: line break before binary operator