fix typo

src/relay/backend/contrib/contrib_codegen.h

@@ -212,7 +212,7 @@ class ExternSourcePrinter {
   }
 
   /*!
-   * \briefa A common interface that that used by various external runtime to
+   * \brief A common interface that is used by various external runtime to
    * generate the wrapper to invoke external kernels.
    *
    * \param subgraph_id The unique id of an external function. It will be used

src/relay/backend/contrib/csource/codegen.cc

@@ -154,7 +154,7 @@ class CSourceCodegen : public ExternCodegenBase {
     code_stream_ << builder.JIT();
   }
 
-  runtime::Module CreateExternModule(const NodeRef& ref) {
+  runtime::Module CreateExternModule(const NodeRef& ref) override {
     // Create headers
     code_stream_ << "#include <cstdint>\n";
     code_stream_ << "#include <iostream>\n";

src/relay/backend/contrib/dnnl/codegen.cc

@@ -229,13 +229,13 @@ class DNNLCodegen : public ExternCodegenBase {
    * to compile the generated C source code, users need to specify the paths to
    * some libraries, including some TVM required and dnnl specific ones. To make
    * linking simpiler, the DNNL kernels are wrapped in a TVM compatible manner
-   * and are live under include/tvm/runtime/contrib/dnnl folder.
+   * and live under tvm/src/runtime/contrib/dnnl folder.
    *
    * \param ref A object ref that could be either a Relay function or module.
    *
    * \return The runtime module that contains C source code.
    */
-  runtime::Module CreateExternModule(const NodeRef& ref) {
+  runtime::Module CreateExternModule(const NodeRef& ref) override {
     // Create headers
     code_stream_ << "#include <cstdint>\n";
     code_stream_ << "#include <cstdlib>\n";

tests/python/relay/test_external_codegen.py

@@ -177,7 +177,7 @@ def test_extern_dnnl():
     if not tvm.get_global_func("relay.contrib.dnnl.enable", True):
         print("skip because DNNL codegen is not available")
         return
-
+   
     dtype = 'float32'
     ishape = (1, 32, 14, 14)
     w1shape = (32, 1, 3, 3)