fix small bug

fondy/fondy.py

@@ -90,7 +90,7 @@ def sign(self, data):
         """
         assert 'request' in data.keys()
         keys = sorted(data['request'].keys())
-        values = [self.key]
+        values = [self.merchant_key]
         values += [data['request'][key] for key in keys]
         try:
             raw = '|'.join(values)

setup.py

@@ -7,14 +7,14 @@
 setup(
     name='fondy',
     packages=['fondy'],
-    version='0.3.4',
+    version='0.3.5',
     description='Python library for the Fondy API',
     long_description=long_description,
     long_description_content_type="text/markdown",
     author='Olexandr Shalakhin',
     author_email='[email protected]',
     url='https://github.com/shalakhin/fondy',
-    download_url='https://github.com/shalakhin/fondy/archive/0.3.4.tar.gz',
+    download_url='https://github.com/shalakhin/fondy/archive/0.3.5.tar.gz',
     keywords=['testing', 'logging', 'example'],
     requires=['requests'],
     classifiers=[