diff --git a/Pipfile b/Pipfile
new file mode 100644
index 0000000..71e4f7c
--- /dev/null
+++ b/Pipfile
@@ -0,0 +1,11 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+
+[dev-packages]
+
+[requires]
+python_version = "3.9"
diff --git a/README.md b/README.md
index 7449f01..5f13606 100644
--- a/README.md
+++ b/README.md
@@ -1,22 +1,21 @@
 # ss-downloader
 
-Install poetry & Python 3.8+
-
 ```
-curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -
+pipenv shell
+pip install -r requirements.txt
 ```
 
 ## how to use
 
 ```
 source load-env.sh
-poetry run python list.py
-poetry run python download.py <dataset name>
+python list.py
+python download.py <dataset name>
 ```
 
 To download all datasets
 ```
-poetry run python download.py all
+python download.py all
 ```
 
 You can move the datasets due to relative symlinks. For example:
diff --git a/load-env.sh b/load-env.sh
index cf25d6d..053d731 100644
--- a/load-env.sh
+++ b/load-env.sh
@@ -2,6 +2,8 @@
 
 host=`hostname`
 
+
+
 if [[ "$NERSC_HOST" == cori ]]; then
     echo \$NERSC_HOST matched cori
 
@@ -13,8 +15,9 @@ if [[ "$NERSC_HOST" == cori ]]; then
 elif [[ "$NERSC_HOST" == perlmutter ]]; then
     echo \$NERSC_HOST matched perlmutter
 
-    module load cray-python/3.9.4.1
-    which python
+    echo module load cray-python/3.9.13.1
+    module load cray-python/3.9.13.1
+
     export SS_DIR="$CFS"/m3918/pearson
     echo "\$SS_DIR = $SS_DIR"
 elif [[ `hostname` =~ ascicgpu030 ]]; then
diff --git a/poetry.lock b/poetry.lock
deleted file mode 100644
index afd32f2..0000000
--- a/poetry.lock
+++ /dev/null
@@ -1,218 +0,0 @@
-[[package]]
-name = "certifi"
-version = "2021.10.8"
-description = "Python package for providing Mozilla's CA Bundle."
-category = "main"
-optional = false
-python-versions = "*"
-
-[[package]]
-name = "charset-normalizer"
-version = "2.0.7"
-description = "The Real First Universal Charset Detector. Open, modern and actively maintained alternative to Chardet."
-category = "main"
-optional = false
-python-versions = ">=3.5.0"
-
-[package.extras]
-unicode_backport = ["unicodedata2"]
-
-[[package]]
-name = "colorama"
-version = "0.4.4"
-description = "Cross-platform colored terminal text."
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*"
-
-[[package]]
-name = "idna"
-version = "3.3"
-description = "Internationalized Domain Names in Applications (IDNA)"
-category = "main"
-optional = false
-python-versions = ">=3.5"
-
-[[package]]
-name = "numpy"
-version = "1.21.4"
-description = "NumPy is the fundamental package for array computing with Python."
-category = "main"
-optional = false
-python-versions = ">=3.7,<3.11"
-
-[[package]]
-name = "requests"
-version = "2.26.0"
-description = "Python HTTP for Humans."
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, !=3.5.*"
-
-[package.dependencies]
-certifi = ">=2017.4.17"
-charset-normalizer = {version = ">=2.0.0,<2.1.0", markers = "python_version >= \"3\""}
-idna = {version = ">=2.5,<4", markers = "python_version >= \"3\""}
-urllib3 = ">=1.21.1,<1.27"
-
-[package.extras]
-socks = ["PySocks (>=1.5.6,!=1.5.7)", "win-inet-pton"]
-use_chardet_on_py3 = ["chardet (>=3.0.2,<5)"]
-
-[[package]]
-name = "scipy"
-version = "1.7.3"
-description = "SciPy: Scientific Library for Python"
-category = "main"
-optional = false
-python-versions = ">=3.7,<3.11"
-
-[package.dependencies]
-numpy = ">=1.16.5,<1.23.0"
-
-[[package]]
-name = "ssgetpy"
-version = "1.0-pre2"
-description = ""
-category = "main"
-optional = false
-python-versions = ">3.5.2"
-develop = false
-
-[package.dependencies]
-requests = ">=2.22"
-tqdm = ">=4.41"
-
-[package.source]
-type = "git"
-url = "https://github.com/cwpearson/ssgetpy.git"
-reference = "be00d2a"
-resolved_reference = "be00d2ad64c55d32291ba820f3d040524b1c5b0e"
-
-[[package]]
-name = "tqdm"
-version = "4.62.3"
-description = "Fast, Extensible Progress Meter"
-category = "main"
-optional = false
-python-versions = "!=3.0.*,!=3.1.*,!=3.2.*,!=3.3.*,>=2.7"
-
-[package.dependencies]
-colorama = {version = "*", markers = "platform_system == \"Windows\""}
-
-[package.extras]
-dev = ["py-make (>=0.1.0)", "twine", "wheel"]
-notebook = ["ipywidgets (>=6)"]
-telegram = ["requests"]
-
-[[package]]
-name = "urllib3"
-version = "1.26.7"
-description = "HTTP library with thread-safe connection pooling, file post, and more."
-category = "main"
-optional = false
-python-versions = ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*, !=3.4.*, <4"
-
-[package.extras]
-brotli = ["brotlipy (>=0.6.0)"]
-secure = ["pyOpenSSL (>=0.14)", "cryptography (>=1.3.4)", "idna (>=2.0.0)", "certifi", "ipaddress"]
-socks = ["PySocks (>=1.5.6,!=1.5.7,<2.0)"]
-
-[metadata]
-lock-version = "1.1"
-python-versions = ">=3.7,<3.11"
-content-hash = "5a1bf7fe65d1fe23f7c34d44076cc157e3343699790a742492686d6198fb88eb"
-
-[metadata.files]
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-tqdm = [
-    {file = "tqdm-4.62.3-py2.py3-none-any.whl", hash = "sha256:8dd278a422499cd6b727e6ae4061c40b48fce8b76d1ccbf5d34fca9b7f925b0c"},
-    {file = "tqdm-4.62.3.tar.gz", hash = "sha256:d359de7217506c9851b7869f3708d8ee53ed70a1b8edbba4dbcb47442592920d"},
-]
-urllib3 = [
-    {file = "urllib3-1.26.7-py2.py3-none-any.whl", hash = "sha256:c4fdf4019605b6e5423637e01bc9fe4daef873709a7973e195ceba0a62bbc844"},
-    {file = "urllib3-1.26.7.tar.gz", hash = "sha256:4987c65554f7a2dbf30c18fd48778ef124af6fab771a377103da0585e2336ece"},
-]
diff --git a/pyproject.toml b/pyproject.toml
deleted file mode 100644
index dd8457e..0000000
--- a/pyproject.toml
+++ /dev/null
@@ -1,16 +0,0 @@
-[tool.poetry]
-name = "ss-downloader"
-version = "0.1.0"
-description = ""
-authors = ["Carl Pearson <cwpears@sandia.gov>"]
-
-[tool.poetry.dependencies]
-python = ">=3.7,<3.11"
-ssgetpy = {git = "https://github.com/cwpearson/ssgetpy.git", rev = "be00d2a"}
-scipy = "^1.7.3"
-
-[tool.poetry.dev-dependencies]
-
-[build-system]
-requires = ["poetry-core>=1.0.0"]
-build-backend = "poetry.core.masonry.api"
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000..9b5afef
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,2 @@
+ssgetpy
+scipy
\ No newline at end of file