From 0b1a2eb3d38615f4fd18fb6ac639c7450fc96d03 Mon Sep 17 00:00:00 2001
From: Shuhei Iitsuka <tushuhei@google.com>
Date: Mon, 6 Jun 2022 16:05:05 +0900
Subject: [PATCH] TensorFlow version up

---
 mozc-nazoru/setup.py          | 2 +-
 mozc-nazoru/src/nazoru/lib.py | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/mozc-nazoru/setup.py b/mozc-nazoru/setup.py
index acedbb0..f9fd383 100755
--- a/mozc-nazoru/setup.py
+++ b/mozc-nazoru/setup.py
@@ -61,7 +61,7 @@ setup(
     install_requires=[
         'cairocffi',
         'pillow',
-        'tensorflow~=2.5.1',
+        'tensorflow~=2.9.1',
         'tf_slim~=1.1.0',
         'enum34;python_version<"3.4"',
         'pyserial',
diff --git a/mozc-nazoru/src/nazoru/lib.py b/mozc-nazoru/src/nazoru/lib.py
index 740d6a0..d284864 100644
--- a/mozc-nazoru/src/nazoru/lib.py
+++ b/mozc-nazoru/src/nazoru/lib.py
@@ -113,7 +113,8 @@ def normalize_x(x):
   x = np.array(x)
   max_ = np.max(x[:, :2], axis=0)
   min_ = np.min(x[:, :2], axis=0)
-  x[:, :2] = (x[:, :2] - min_) / (max_ - min_)
+  dist = max_ - min_
+  x[:, :2] = (x[:, :2] - min_) / np.fmax(dist, np.ones_like(dist) * 0.0001)
   return x