X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=src%2Fbindings%2Fpython%2Fbt2%2Fbt2%2Fgraph.py;fp=src%2Fbindings%2Fpython%2Fbt2%2Fbt2%2Fgraph.py;h=ed99ef079c924c1e046770ae33ee0bffd381159b;hp=78fca79f5c693f82f1c230ac18c4848882b8615f;hb=f5567ea88d172767b34373bc6e402da8bfd85ef8;hpb=419d8c49bd978a59b8a0619d83cb6ba26b18f970

diff --git a/src/bindings/python/bt2/bt2/graph.py b/src/bindings/python/bt2/bt2/graph.py
index 78fca79f..ed99ef07 100644
--- a/src/bindings/python/bt2/bt2/graph.py
+++ b/src/bindings/python/bt2/bt2/graph.py
@@ -30,12 +30,12 @@ class Graph(object._SharedObject):
         utils._check_uint64(mip_version)
 
         if mip_version > bt2.get_maximal_mip_version():
-            raise ValueError('unknown MIP version {}'.format(mip_version))
+            raise ValueError("unknown MIP version {}".format(mip_version))
 
         ptr = native_bt.graph_create(mip_version)
 
         if ptr is None:
-            raise bt2._MemoryError('cannot create graph object')
+            raise bt2._MemoryError("cannot create graph object")
 
         super().__init__(ptr)
 
@@ -87,7 +87,7 @@ class Graph(object._SharedObject):
         base_cc_ptr = component_class._bt_component_class_ptr()
 
         if obj is not None and not native_bt.bt2_is_python_component_class(base_cc_ptr):
-            raise ValueError('cannot pass a Python object to a non-Python component')
+            raise ValueError("cannot pass a Python object to a non-Python component")
 
         if params is not None and not isinstance(params, (dict, bt2.MapValue)):
             raise TypeError("'params' parameter is not a 'dict' or a 'bt2.MapValue'.")
@@ -99,7 +99,7 @@ class Graph(object._SharedObject):
         status, comp_ptr = add_fn(
             self._ptr, cc_ptr, name, params_ptr, obj, logging_level
         )
-        utils._handle_func_status(status, 'cannot add component to graph')
+        utils._handle_func_status(status, "cannot add component to graph")
         assert comp_ptr
         return bt2_component._create_component_from_const_ptr_and_get_ref(
             comp_ptr, cc_type
@@ -111,7 +111,7 @@ class Graph(object._SharedObject):
         status, conn_ptr = native_bt.graph_connect_ports(
             self._ptr, upstream_port._ptr, downstream_port._ptr
         )
-        utils._handle_func_status(status, 'cannot connect component ports within graph')
+        utils._handle_func_status(status, "cannot connect component ports within graph")
         assert conn_ptr
         return bt2_connection._ConnectionConst._create_from_ptr_and_get_ref(conn_ptr)
 
@@ -126,18 +126,18 @@ class Graph(object._SharedObject):
 
         listener_ids = fn(self._ptr, listener_from_native)
         if listener_ids is None:
-            raise bt2._Error('cannot add listener to graph object')
+            raise bt2._Error("cannot add listener to graph object")
 
         # keep the partial's reference
         self._listener_partials.append(listener_from_native)
 
     def run_once(self):
         status = native_bt.graph_run_once(self._ptr)
-        utils._handle_func_status(status, 'graph object could not run once')
+        utils._handle_func_status(status, "graph object could not run once")
 
     def run(self):
         status = native_bt.graph_run(self._ptr)
-        utils._handle_func_status(status, 'graph object stopped running')
+        utils._handle_func_status(status, "graph object stopped running")
 
     def add_interrupter(self, interrupter):
         utils._check_type(interrupter, bt2_interrupter.Interrupter)