diff --git a/src/embed_tests/Modules.cs b/src/embed_tests/Modules.cs
@@ -51,7 +51,7 @@ public void TestEval()
                ps.Set("a", 1);
                var result = ps.Eval<int>("a + 2");
                Assert.AreEqual(3, result);
-            }                
        }

        /// <summary>
@@ -169,6 +169,62 @@ public void TestScopeClass()
            }
        }

        /// <summary>
        /// Import a python module into the session.
        /// Equivalent to the Python "import" statement.
@@ -194,7 +250,7 @@ public void TestImportModule()
        }

        /// <summary>
-        /// Create a scope and import variables from a scope, 
        /// exec Python statements in the scope then discard it.
        /// </summary>
        [Test]
@@ -218,7 +274,7 @@ public void TestImportScope()
        }

        /// <summary>
-        /// Create a scope and import variables from a scope, 
        /// exec Python statements in the scope then discard it.
        /// </summary>
        [Test]
@@ -241,7 +297,7 @@ public void TestImportAllFromScope()
        }

        /// <summary>
-        /// Create a scope and import variables from a scope, 
        /// call the function imported.
        /// </summary>
        [Test]
@@ -286,7 +342,7 @@ public void TestImportScopeFunction()
        public void TestVariables()
        {
            using (Py.GIL())
-            { 
                (ps.Variables() as dynamic)["ee"] = new PyInt(200);
                var a0 = ps.Get<int>("ee");
                Assert.AreEqual(200, a0);
@@ -326,8 +382,8 @@ public void TestThread()
                    _ps.res = 0;
                    _ps.bb = 100;
                    _ps.th_cnt = 0;
-                    //add function to the scope 
-                    //can be call many times, more efficient than ast 
                    ps.Exec(
                        "import threading\n"+
                        "lock = threading.Lock()\n"+

diff --git a/src/runtime/PythonTypes/PyModule.cs b/src/runtime/PythonTypes/PyModule.cs
@@ -82,7 +82,18 @@ public PyModule Reload()

        public static PyModule FromString(string name, string code)
        {
-            using NewReference c = Runtime.Py_CompileString(code, "none", (int)RunFlagType.File);
            NewReference m = Runtime.PyImport_ExecCodeModule(name, c.BorrowOrThrow());
            return new PyModule(m.StealOrThrow());
        }