Change some exception variable names

kernel/modelverse_jit/jit.py

@@ -145,8 +145,8 @@ class AnalysisState(object):
                 inp = None
                 while True:
                     inp = yield gen.send(inp)
-            except primitive_functions.PrimitiveFinished as e:
-                results.append(e.result)
+            except primitive_functions.PrimitiveFinished as ex:
+                results.append(ex.result)
 
         raise primitive_functions.PrimitiveFinished(results)
 
@@ -163,9 +163,9 @@ class AnalysisState(object):
                 inp = None
                 while True:
                     inp = yield gen.send(inp)
-            except primitive_functions.PrimitiveFinished as e:
+            except primitive_functions.PrimitiveFinished as ex:
                 raise primitive_functions.PrimitiveFinished(
-                    tree_ir.ReturnInstruction(e.result))
+                    tree_ir.ReturnInstruction(ex.result))
 
     def analyze_if(self, instruction_id):
         """Tries to analyze the given 'if' instruction."""
@@ -205,8 +205,8 @@ class AnalysisState(object):
             inp = None
             while True:
                 inp = yield gen.send(inp)
-        except primitive_functions.PrimitiveFinished as e:
-            cond_r, body_r = e.result
+        except primitive_functions.PrimitiveFinished as ex:
+            cond_r, body_r = ex.result
             raise primitive_functions.PrimitiveFinished(
                 tree_ir.LoopInstruction(
                     tree_ir.CompoundInstruction(
@@ -247,8 +247,8 @@ class AnalysisState(object):
             inp = None
             while True:
                 inp = yield gen.send(inp)
-        except primitive_functions.PrimitiveFinished as e:
-            value_local = tree_ir.StoreLocalInstruction('value', e.result)
+        except primitive_functions.PrimitiveFinished as ex:
+            value_local = tree_ir.StoreLocalInstruction('value', ex.result)
 
         store_user_root = tree_ir.StoreLocalInstruction(
             'user_root',