[lib] Fix typos

library/cadbiom/models/guard_transitions/chart_model.py

@@ -62,6 +62,7 @@ from __future__ import unicode_literals
 from __future__ import print_function
 from math import sqrt
 from collections import defaultdict
+import itertools as it
 from antlr3 import ANTLRStringStream, ANTLRFileStream, CommonTokenStream
 
 from condexpLexer import condexpLexer
@@ -1663,12 +1664,10 @@ class CMacroNode(CSimpleNode):
         """
         Look for transitions pointed by mouse
         No recursive search - transitions are in current node
-
         """
-        for gtr in self.transitions:
-            for trans in gtr:
-                if trans.is_me(mox, moy, dstyle, w_coef, h_coef):
-                    return trans
+        for trans in it.chain(*self.transitions):
+            if trans.is_me(mox, moy, dstyle, w_coef, h_coef):
+                return trans
 
     def resize(self, mx_virt, my_virt, handle, screen_w, screen_h, top_node):
         """Resize the node with the mouse
@@ -1939,12 +1938,11 @@ class CTopNode(CMacroNode):
                 ccy = ccc[1] / h_coef
                 return (nnn, hhh, (ccx, ccy), ttt)
         # no subnode found: try to find a transition at top level
-        for trg in self.transitions:
-            for trans in trg:
-                if trans.is_me(mox, moy, dstyle, w_coef, h_coef):
-                    ccx = 0.5 / w_coef
-                    ccy = 0.5 / h_coef
-                    return (self, 0, (ccx, ccy), trans)
+        for trans in it.chain(*self.transitions):
+            if trans.is_me(mox, moy, dstyle, w_coef, h_coef):
+                ccx = 0.5 / w_coef
+                ccy = 0.5 / h_coef
+                return (self, 0, (ccx, ccy), trans)
         # no subnode and no transition found
         return (self, 0, (0, 0), None)  # no handle for top node
 
@@ -2070,9 +2068,11 @@ class CTransition(object):
             return set()
 
     def is_me(self, mox, moy, dstyle, w_coef, h_coef):
-        """
-        Tell if mouse position is closed to transition
-        @param mox, moy: mouse coordinates in container coord (local coordinates)
+        """Tell if mouse position is closed to transition
+
+        :param mox, moy: mouse coordinates in container coord (local coordinates)
+        :return: True or False
+        :rtype: <boolean>
         """
         v_size = self.accept(dstyle)
         dist_max = max(v_size[0], v_size[1])