updates

README.md

@@ -249,7 +249,7 @@ needle [command]
 
 - Setup gcloud 1: download the `macOS ARM` from [here](https://docs.cloud.google.com/sdk/docs/install-sdk) and uzip.
 - Setup gcloud 2: open terminal, cd to ypur downloads and run `./google-cloud-sdk/install.sh`
-- Setup gcloud 3: run `gloud init`, sign in with cactus email, should prompt for project
+- Setup gcloud 3: restart terminal and run `gloud init`, sign in with cactus email, should prompt for project
 - Setup gcloud 4: else, set the project with `gcloud config set project needle-488623`
 - setup gcloud 5: run `gcloud help` and read carefully
 
@@ -298,3 +298,15 @@ needle [command]
 10. (Optional) Delete instance when no longer needed
    needle tpu delete my-experiment
 ```
+
+## Current TPU Instance
+
+```
+  Name       Zone        Type   Software         IP (ext)        Created
+  ─────────────────────────────────────────────────────────────────────────
+  henry      us-east5-a  v6e-8  v2-alpha-tpuv6e  34.186.252.53   Mar 17, 2026
+```
+
+```bash
+gcloud compute tpus tpu-vm ssh henry --zone=us-east5-a
+```

setup

@@ -23,7 +23,21 @@ if [ -f /etc/os-release ] && grep -qi 'ubuntu\|debian' /etc/os-release; then
         fi
     fi
 else
-    PYTHON=python3
+    # On macOS or other systems, find Python >= 3.11
+    PYTHON=""
+    for candidate in python3.13 python3.12 python3.11 python3; do
+        if command -v "$candidate" &>/dev/null; then
+            PY_OK=$("$candidate" -c "import sys; print(int(sys.version_info >= (3, 11)))" 2>/dev/null || echo "0")
+            if [ "$PY_OK" = "1" ]; then
+                PYTHON="$candidate"
+                break
+            fi
+        fi
+    done
+    if [ -z "$PYTHON" ]; then
+        echo "Error: Python >= 3.11 is required. Install it with: brew install python@3.12"
+        return 1 2>/dev/null || exit 1
+    fi
 fi
 
 # Recreate venv if it doesn't exist or was built with the wrong Python