update python command

Author: aws-banjo

strands_examples/nova_act_strands.py

@@ -1,4 +1,5 @@
 import os
+import shutil
 
 from mcp import StdioServerParameters, stdio_client
 from strands import Agent
@@ -8,10 +9,19 @@
 # Step 1: Define MCP stdio parameters
 NOVA_ACT_API_KEY = os.getenv("NOVA_ACT_API_KEY")
 
+# Find the available Python command
+python_cmd = "python"
+if shutil.which("python3") is not None:
+    python_cmd = "python3"
+elif shutil.which("python") is not None:
+    python_cmd = "python"
+else:
+    raise RuntimeError("Neither 'python' nor 'python3' command was found in PATH")
+
 nova_act_client = MCPClient(
     lambda: stdio_client(
         StdioServerParameters(
-            command="python",
+            command=python_cmd,
             args=["nova_act_mcp_server.py"],
             env={"NOVA_ACT_API_KEY": NOVA_ACT_API_KEY},
         ),