Print versions (#1496)

* print out dependency versions for easier debugging

* improve readability

src/axolotl/cli/__init__.py

@@ -24,6 +24,7 @@
 from huggingface_hub.utils import LocalTokenNotFoundError
 from transformers import GenerationConfig, TextIteratorStreamer, TextStreamer
 from transformers.utils import is_torch_bf16_gpu_available
+from transformers.utils.import_utils import _is_package_available
 
 from axolotl.common.cli import TrainerCliArgs, load_model_and_tokenizer
 from axolotl.logging_config import configure_logging
@@ -62,6 +63,20 @@ def print_axolotl_text_art(suffix=None):
     if is_main_process():
         print(ascii_art)
 
+    print_dep_versions()
+
+
+def print_dep_versions():
+    packages = ["accelerate", "peft", "transformers", "trl", "torch", "bitsandbytes"]
+    max_len = max(len(pkg) for pkg in packages)
+    if is_main_process():
+        print("*" * 40)
+        print("**** Axolotl Dependency Versions *****")
+        for pkg in packages:
+            version = _is_package_available(pkg, return_version=True)
+            print(f"{pkg: >{max_len}}: {version[1]: <15}")
+        print("*" * 40)
+
 
 def check_remote_config(config: Union[str, Path]):
     # Check if the config is a valid HTTPS URL to a .yml or .yaml file