Update API (#32)

* Update API (see y-crdt/ypy#54)

* y-py>=0.5.2

Author: hbcarlos

jupyter_ydoc/ydoc.py

@@ -62,10 +62,10 @@ def source(self, value):
             # clear document
             source_len = len(self._ysource)
             if source_len:
-                self._ysource.delete(t, 0, source_len)
+                self._ysource.delete_range(t, 0, source_len)
             # initialize document
             if value:
-                self._ysource.push(t, value)
+                self._ysource.extend(t, value)
 
     def observe(self, callback):
         self.unobserve()

setup.cfg

@@ -22,7 +22,7 @@ python_requires = >=3.7
 
 install_requires =
   setuptools
-  y-py >=0.5.0,<0.6.0
+  y-py >=0.5.2,<0.6.0
   ypy-websocket >=0.1.8
 
 [options.extras_require]