Add debug prints to setup.py

Author: vkarampudi

setup.py

@@ -85,11 +85,15 @@ def run(self):
         bazelversion_path = os.path.join(
             os.path.dirname(os.path.realpath(__file__)), ".bazelversion"
         )
+        print(f"DEBUG: bazelversion_path={bazelversion_path}")
+        print(f"DEBUG: exists={os.path.exists(bazelversion_path)}")
         if os.path.exists(bazelversion_path):
             with open(bazelversion_path) as f:
                 bazel_version = f.read().strip()
+                print(f"DEBUG: bazel_version={bazel_version}")
                 if "USE_BAZEL_VERSION" not in os.environ:
                     os.environ["USE_BAZEL_VERSION"] = bazel_version
+        print(f"DEBUG: USE_BAZEL_VERSION={os.environ.get('USE_BAZEL_VERSION')}")
 
         subprocess.check_call(
             [self._bazel_cmd, "run", "-c", "opt"]