improve readability of inserted code

setup.py

@@ -12,6 +12,7 @@
 import platform
 import subprocess
 import sys
+import textwrap
 import datetime
 
 from pathlib import Path
@@ -147,25 +148,30 @@ def _rewrite_ld_preload_tensorrt(self, to_preload):
 
         def _rewrite_ld_preload_tvm(self):
             with open('onnxruntime/capi/_ld_preload.py', 'a') as f:
-                f.write('import warnings\n\n')
-                f.write('try:\n')
-                f.write('   # This import is necessary in order to delegate the loading of libtvm.so to TVM.\n')
-                f.write('   import tvm\n')
-                f.write('except ImportError as e:\n')
-                f.write('   warnings.warn(\n')
-                f.write('       f"WARNING: Failed to import TVM, libtvm.so was not loaded. More details: {e}"\n')
-                f.write('   )\n\n')
-                f.write('try:\n')
-                f.write('   # Working between the C++ and Python parts in TVM EP is done using\n')
-                f.write('   # the PackedFunc and Registry classes. In order to use a Python function in C++ code,\n')
-                f.write('   # it must be registered in the global table of functions. Registration is carried out\n')
-                f.write('   # through JIT interface, so it is necessary to call special functions for registration.\n')
-                f.write('   # To do this, we need to make the following import.\n')
-                f.write('   import onnxruntime.providers.stvm\n')
-                f.write('except ImportError as e:\n')
-                f.write('   warnings.warn(\n')
-                f.write('       f"WARNING: Failed to register python functions for TVM EP. More details: {e}"\n')
-                f.write('   )\n')
+                f.write(textwrap.dedent(
+                    """
+                    import warnings
+
+                    try:
+                        # This import is necessary in order to delegate the loading of libtvm.so to TVM.
+                        import tvm
+                    except ImportError as e:
+                        warnings.warn(
+                            f"WARNING: Failed to import TVM, libtvm.so was not loaded. More details: {e}"
+                        )
+                    try:
+                        # Working between the C++ and Python parts in TVM EP is done using the PackedFunc and
+                        # Registry classes. In order to use a Python function in C++ code, it must be registered in
+                        # the global table of functions. Registration is carried out through the JIT interface,
+                        # so it is necessary to call special functions for registration.
+                        # To do this, we need to make the following import.
+                        import onnxruntime.providers.stvm
+                    except ImportError as e:
+                        warnings.warn(
+                            f"WARNING: Failed to register python functions to work with TVM EP. More details: {e}"
+                        )
+                    """
+                ))
 
         def run(self):
             if is_manylinux: