From e8e12f10a0ea8857f4b79c0437fe64af7101699c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Xavier=20Dupr=C3=A9?= <xadupre@users.noreply.github.com>
Date: Wed, 30 Jun 2021 17:36:20 +0200
Subject: [PATCH] Upgrade version number, update documentation (#672)

---
 README.md                     | 2 +-
 requirements.txt              | 2 +-
 setup.py                      | 2 +-
 skl2onnx/__init__.py          | 3 +--
 skl2onnx/common/_container.py | 3 +++
 5 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/README.md b/README.md
index 0326a9ff8..148525ecf 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Or you can install from the source with the latest changes.
 pip install git+https://github.com/onnx/sklearn-onnx.git
 ```
 
-If you install *sklearn-onnx* from its source code, you must set the environment variable `ONNX_ML=1` before installing the onnx package.
+If you install *onnx* from its source code, you must set the environment variable `ONNX_ML=1` before installing the onnx package.
 
 ## Contribute
 We welcome contributions in the form of feedback, ideas, or code.
diff --git a/requirements.txt b/requirements.txt
index 0ec9fb1d6..09ae7c863 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ scipy>=1.0
 protobuf
 onnx>=1.2.1
 scikit-learn>=0.19
-onnxconverter-common>=1.6.1,<1.9
+onnxconverter-common>=1.6.1
diff --git a/setup.py b/setup.py
index efc23e0ef..1566bae58 100644
--- a/setup.py
+++ b/setup.py
@@ -49,8 +49,8 @@
         'Operating System :: MacOS :: MacOS X',
         'Operating System :: Microsoft :: Windows',
         'Programming Language :: Python',
-        'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
         'License :: OSI Approved :: Apache Software License'],
 )
diff --git a/skl2onnx/__init__.py b/skl2onnx/__init__.py
index 9a80cab00..db12808af 100644
--- a/skl2onnx/__init__.py
+++ b/skl2onnx/__init__.py
@@ -1,10 +1,9 @@
 # SPDX-License-Identifier: Apache-2.0
 
-
 """
 Main entry point to the converter from the *scikit-learn* to *onnx*.
 """
-__version__ = "1.9.dev"
+__version__ = "1.9"
 __author__ = "Microsoft"
 __producer__ = "skl2onnx"
 __producer_version__ = __version__
diff --git a/skl2onnx/common/_container.py b/skl2onnx/common/_container.py
index 98e6242dd..e53f2cd5c 100644
--- a/skl2onnx/common/_container.py
+++ b/skl2onnx/common/_container.py
@@ -386,6 +386,9 @@ def add_initializer(self, name, onnx_type, shape, content):
         else:
             if any(d is None for d in shape):
                 raise ValueError('Shape of initializer cannot contain None.')
+            if (hasattr(content, 'dtype') and
+                    content.dtype in (bool, np.bool_)):
+                content = content.astype(np.int32)
             try:
                 tensor = make_tensor(name, onnx_type, shape, content)
             except TypeError as e: