add missing dependency 'fire' and numpy troubleshooting

README.md

@@ -60,3 +60,12 @@ If you are running one of the experiment repos, such as:
 * [dnsm-experiments-1](https://github.com/matsengrp/dnsm-experiments-1/)
 
 you will want to visit those repos and follow the installation instructions there.
+
+
+## Troubleshooting
+* On some machines, pip may install a version of numpy that is too new for the
+    available version of pytorch, returning an error such as `A module that was compiled using NumPy 1.x cannot be run in
+NumPy 2.0.2 as it may crash.` The solution is to downgrade to `numpy<2`:
+    ```console
+    pip install --force-reinstall "numpy<2"
+    ```

setup.py

@@ -22,6 +22,7 @@
         "tensorboardX",
         "torch",
         "tqdm",
+        "fire",
     ],
     classifiers=[
         "Development Status :: 3 - Alpha",