diff --git a/.travis.yml b/.travis.yml
index c155c56a3..ce4a7c961 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -53,7 +53,7 @@ matrix:
         - sphinx-build -W -b html -d _build/doctrees source _build/html
         - cd ..
         # Run Python linting, ignore dict vs {} (C408), others are defaults
-        - flake8 --inline-quotes '"' --exclude=python/ray/core/generated/,doc/source/conf.py,python/ray/cloudpickle/ --ignore=C408,E121,E123,E126,E226,E24,E704,W503,W504,W605
+        - flake8 --inline-quotes '"' --no-avoid-escape --exclude=python/ray/core/generated/,doc/source/conf.py,python/ray/cloudpickle/ --ignore=C408,E121,E123,E126,E226,E24,E704,W503,W504,W605
         - ./ci/travis/format.sh --all
         # Make sure that the README is formatted properly.
         - cd python
diff --git a/ci/travis/format.sh b/ci/travis/format.sh
index 956143d21..2ef141532 100755
--- a/ci/travis/format.sh
+++ b/ci/travis/format.sh
@@ -53,14 +53,14 @@ format_changed() {
              yapf --in-place "${YAPF_EXCLUDES[@]}" "${YAPF_FLAGS[@]}"
         if which flake8 >/dev/null; then
             git diff --name-only --diff-filter=ACM "$MERGEBASE" -- '*.py' | xargs -P 5 \
-                 flake8 --inline-quotes '"' --exclude=python/ray/core/generated/,doc/source/conf.py,python/ray/cloudpickle/ --ignore=C408,E121,E123,E126,E226,E24,E704,W503,W504,W605
+                 flake8 --inline-quotes '"' --no-avoid-escape --exclude=python/ray/core/generated/,doc/source/conf.py,python/ray/cloudpickle/ --ignore=C408,E121,E123,E126,E226,E24,E704,W503,W504,W605
         fi
     fi
 
     if ! git diff --diff-filter=ACM --quiet --exit-code "$MERGEBASE" -- '*.pyx' '*.pxd' '*.pxi' &>/dev/null; then
         if which flake8 >/dev/null; then
             git diff --name-only --diff-filter=ACM "$MERGEBASE" -- '*.pyx' '*.pxd' '*.pxi' | xargs -P 5 \
-                 flake8 --inline-quotes '"' --exclude=python/ray/core/generated/,doc/source/conf.py,python/ray/cloudpickle/ --ignore=C408,E121,E123,E126,E226,E24,E704,W503,W504,W605
+                 flake8 --inline-quotes '"' --no-avoid-escape --exclude=python/ray/core/generated/,doc/source/conf.py,python/ray/cloudpickle/ --ignore=C408,E121,E123,E126,E226,E24,E704,W503,W504,W605
         fi
     fi
 
diff --git a/ci/travis/install-dependencies.sh b/ci/travis/install-dependencies.sh
index 4d9b5393a..0af623627 100755
--- a/ci/travis/install-dependencies.sh
+++ b/ci/travis/install-dependencies.sh
@@ -58,7 +58,7 @@ elif [[ "$LINT" == "1" ]]; then
   export PATH="$HOME/miniconda/bin:$PATH"
   # Install Python linting tools.
   pip install -q flake8 flake8-comprehensions
-  pip install flake8-quotes==1.0.0
+  pip install flake8-quotes==2.0.0
 elif [[ "$LINUX_WHEELS" == "1" ]]; then
   sudo apt-get install docker
   sudo usermod -a -G docker travis