diff --git a/docs/examples/ts2img.ipynb b/docs/examples/ts2img.ipynb
index 223625e..389d151 100644
--- a/docs/examples/ts2img.ipynb
+++ b/docs/examples/ts2img.ipynb
@@ -27,21 +27,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": 9,
    "outputs": [
     {
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "/home/wpreimes/shares/home/code/repurpose/src/repurpose/utils.py:6: UserWarning: Numpy is already imported. Environment variables set in repurpose.utils wont have any effect!\n",
+      "/home/wpreimes/shares/home/code/repurpose/src/repurpose/process.py:6: UserWarning: Numpy is already imported. Environment variables set in repurpose.utils wont have any effect!\n",
       "  warnings.warn(\"Numpy is already imported. Environment variables set in \"\n"
      ]
     },
     {
      "data": {
-      "text/plain": "<matplotlib.legend.Legend at 0x7f0ee33e7c10>"
+      "text/plain": "<matplotlib.legend.Legend at 0x7f0ed5420250>"
      },
-     "execution_count": 1,
+     "execution_count": 9,
      "metadata": {},
      "output_type": "execute_result"
     },
@@ -61,7 +61,7 @@
     "import matplotlib.pyplot as plt\n",
     "from matplotlib.lines import Line2D\n",
     "import numpy as np\n",
-    "from repurpose.utils import rootdir\n",
+    "from repurpose.process import rootdir\n",
     "\n",
     "source_grid = load_grid(os.path.join(rootdir(), \"docs\", \"examples\", \"assets\", \"warp_subgrid_AUT.nc\"))\n",
     "y = np.arange(46.3, 49.2, 0.1)\n",
@@ -101,7 +101,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": 10,
    "id": "406f83ff-7725-4710-8048-1a2311b23963",
    "metadata": {
     "tags": []
@@ -139,13 +139,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
+   "execution_count": 11,
    "outputs": [
     {
      "data": {
-      "text/plain": "<matplotlib.legend.Legend at 0x7f0ee3176110>"
+      "text/plain": "<matplotlib.legend.Legend at 0x7f0ed559f580>"
      },
-     "execution_count": 3,
+     "execution_count": 11,
      "metadata": {},
      "output_type": "execute_result"
     },
@@ -198,7 +198,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
+   "execution_count": 12,
    "outputs": [],
    "source": [
     "from repurpose.ts2img import Ts2Img\n",
@@ -240,21 +240,21 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 13,
    "outputs": [
     {
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Images are stored in /tmp/tmps22ozjzr\n"
+      "Images are stored in /tmp/tmp72x9hsa2\n"
      ]
     },
     {
      "name": "stderr",
      "output_type": "stream",
      "text": [
-      "Processed: 100%|██████████| 3/3 [00:06<00:00,  2.04s/it]\n",
-      "Processed: 100%|██████████| 14/14 [00:00<00:00, 112.06it/s]\n"
+      "Processed: 100%|██████████| 3/3 [00:10<00:00,  3.52s/it]\n",
+      "Processed: 100%|██████████| 14/14 [00:00<00:00, 109.31it/s]\n"
      ]
     }
    ],
@@ -291,13 +291,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 14,
    "outputs": [
     {
      "data": {
-      "text/plain": "<matplotlib.collections.QuadMesh at 0x7f0ed5683f70>"
+      "text/plain": "<matplotlib.collections.QuadMesh at 0x7f0ed5772c80>"
      },
-     "execution_count": 6,
+     "execution_count": 14,
      "metadata": {},
      "output_type": "execute_result"
     },
@@ -355,7 +355,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 15,
    "outputs": [
     {
      "name": "stdout",
@@ -382,7 +382,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 16,
    "outputs": [
     {
      "name": "stdout",
diff --git a/src/repurpose/utils.py b/src/repurpose/process.py
similarity index 100%
rename from src/repurpose/utils.py
rename to src/repurpose/process.py
diff --git a/src/repurpose/ts2img.py b/src/repurpose/ts2img.py
index bb8b056..9259222 100644
--- a/src/repurpose/ts2img.py
+++ b/src/repurpose/ts2img.py
@@ -1,4 +1,4 @@
-from repurpose.utils import parallel_process_async, idx_chunks
+from repurpose.process import parallel_process_async, idx_chunks
 import logging
 import numpy as np
 import pandas as pd
diff --git a/tests/test_docs/test_examples.py b/tests/test_docs/test_examples.py
index 442b972..93c78dd 100644
--- a/tests/test_docs/test_examples.py
+++ b/tests/test_docs/test_examples.py
@@ -8,7 +8,7 @@
 from nbconvert.preprocessors import ExecutePreprocessor
 import nbformat
 import pytest
-from repurpose.utils import rootdir
+from repurpose.process import rootdir
 
 
 examples_path = os.path.join(rootdir(), 'docs', 'examples')
diff --git a/tests/test_utils.py b/tests/test_process.py
similarity index 94%
rename from tests/test_utils.py
rename to tests/test_process.py
index 437233f..c320a97 100644
--- a/tests/test_utils.py
+++ b/tests/test_process.py
@@ -4,7 +4,7 @@
 import tempfile
 import logging
 
-from repurpose.utils import parallel_process_async, idx_chunks
+from repurpose.process import parallel_process_async, idx_chunks
 
 def test_index_chunks():
     timestamps = pd.date_range('2020-07-01', '2020-07-09', freq='1D')