DEV: Add path to tbb*.dll into environment in daal4py module init scr…

…ipt (#2063)

* oneMKL migration: Fix for DLL loading issue on Windows

daal4py/__init__.py

@@ -31,10 +31,17 @@
     path_to_libs = os.path.join(path_to_env, "Library", "bin")
     if sys.version_info.minor >= 8:
         if "DALROOT" in os.environ:
-            dal_root_redist = os.path.join(os.environ["DALROOT"], "redist", arch_dir)
+            dal_root = os.environ["DALROOT"]
+            dal_root_redist = os.path.join(dal_root, "redist", arch_dir)
             if os.path.exists(dal_root_redist):
                 os.add_dll_directory(dal_root_redist)
                 os.environ["PATH"] = dal_root_redist + os.pathsep + os.environ["PATH"]
+        if "TBBROOT" in os.environ:
+            tbb_root = os.environ["TBBROOT"]
+            tbb_root_redist = os.path.join(tbb_root, "bin")
+            if os.path.exists(tbb_root_redist):
+                os.add_dll_directory(tbb_root_redist)
+                os.environ["PATH"] = tbb_root_redist + os.pathsep + os.environ["PATH"]
 
         try:
             os.add_dll_directory(path_to_libs)