Fix resolved local variable type being saved between calls causing code completion window to show when it should not.

src/AddIns/BackendBindings/Python/PythonBinding/Project/Src/PythonLocalVariableResolver.cs

@@ -33,13 +33,6 @@ namespace ICSharpCode.PythonBinding
 			this.classResolver = classResolver;
 		}
 		
-		/// <summary>
-		/// The resolved type name.
-		/// </summary>
-		public string TypeName {
-			get { return typeName; }
-		}
-		
 		/// <summary>
 		/// Resolves the type of the variable name specified.
 		/// </summary>
@@ -57,9 +50,10 @@ namespace ICSharpCode.PythonBinding
 		
 		string Resolve(string variableName, PythonAst ast)
 		{
+			typeName = null;
 			this.variableName = variableName;
 			ast.Walk(this);
-			return TypeName;
+			return typeName;
 		}
 				
 		public override bool Walk(AssignmentStatement node)

src/AddIns/BackendBindings/Python/PythonBinding/Test/Resolver/PythonLocalVariableResolverTests.cs

@@ -14,10 +14,15 @@ namespace PythonBinding.Tests.Resolver
 	{
 		string typeName;
 		
-		void Resolve(string variableName, string code)
+		PythonLocalVariableResolver CreateResolver()
 		{
 			PythonClassResolver classResolver = new PythonClassResolver();
-			PythonLocalVariableResolver resolver = new PythonLocalVariableResolver(classResolver);
+			return new PythonLocalVariableResolver(classResolver);
+		}
+		
+		void Resolve(string variableName, string code)
+		{
+			PythonLocalVariableResolver resolver = CreateResolver();
 			typeName = resolver.Resolve(variableName, code);
 		}
 		
@@ -98,5 +103,17 @@ namespace PythonBinding.Tests.Resolver
 			
 			Assert.AreEqual("OracleClient.OracleConnection", typeName);
 		}
+		
+		[Test]
+		public void Resolve_CalledTwiceFirstCallResolvesTypeNameSecondCallDoesNotResolve_ReturnsNull()
+		{
+			string code = "a = Class1()";
+			
+			PythonLocalVariableResolver resolver = CreateResolver();
+			resolver.Resolve("a", code);
+			string typeName = resolver.Resolve("b", code);
+			
+			Assert.IsNull(typeName);
+		}
 	}
 }

src/AddIns/BackendBindings/Python/PythonBinding/Test/Resolver/ResolveLocalVariableMethodTests.cs

@@ -52,6 +52,5 @@ namespace PythonBinding.Tests.Resolver
 			
 			Assert.AreEqual(myClass, c);
 		}
-		
 	}
 }