diff --git a/environment.yml b/environment.yml
index 248292d..58bb998 100644
--- a/environment.yml
+++ b/environment.yml
@@ -1,10 +1,10 @@
-name: mypythonapp
+name: tavi
 channels:
   - conda-forge
 dependencies:
   # -- Runtime dependencies
   # base: list all base dependencies here
-  - python>=3.8  # please specify the mimimum version of python here
+  - python>=3.10  # please specify the mimimum version of python here
   - versioningit
   # compute: list all compute dependencies here
   - numpy
@@ -33,7 +33,7 @@ dependencies:
   # add additional sections such as Qt, etc. if needed
   # --------------------------------------------------
   # if pakcages are not available on conda, list them here
-  - pip
-  - pip:
-    - bm3d-streak-removal # example
-    - pytest-playwright
+  # - pip
+  # - pip:
+  #   - bm3d-streak-removal # example
+  #   - pytest-playwright
diff --git a/src/packagenamepy/_version.py b/src/packagenamepy/_version.py
new file mode 100644
index 0000000..edc3d26
--- /dev/null
+++ b/src/packagenamepy/_version.py
@@ -0,0 +1 @@
+__version__ = "0.0.1+d20240507"
diff --git a/src/packagenamepy/__init__.py b/src/tavi/__init__.py
similarity index 100%
rename from src/packagenamepy/__init__.py
rename to src/tavi/__init__.py
diff --git a/src/packagenamepy/configuration.py b/src/tavi/configuration.py
similarity index 100%
rename from src/packagenamepy/configuration.py
rename to src/tavi/configuration.py
diff --git a/src/packagenamepy/configuration_template.ini b/src/tavi/configuration_template.ini
similarity index 100%
rename from src/packagenamepy/configuration_template.ini
rename to src/tavi/configuration_template.ini
diff --git a/src/packagenamepy/help/help_model.py b/src/tavi/help/help_model.py
similarity index 100%
rename from src/packagenamepy/help/help_model.py
rename to src/tavi/help/help_model.py
diff --git a/src/packagenamepy/home/home_model.py b/src/tavi/home/home_model.py
similarity index 100%
rename from src/packagenamepy/home/home_model.py
rename to src/tavi/home/home_model.py
diff --git a/src/packagenamepy/home/home_presenter.py b/src/tavi/home/home_presenter.py
similarity index 100%
rename from src/packagenamepy/home/home_presenter.py
rename to src/tavi/home/home_presenter.py
diff --git a/src/packagenamepy/home/home_view.py b/src/tavi/home/home_view.py
similarity index 100%
rename from src/packagenamepy/home/home_view.py
rename to src/tavi/home/home_view.py
diff --git a/src/packagenamepy/mainwindow.py b/src/tavi/mainwindow.py
similarity index 100%
rename from src/packagenamepy/mainwindow.py
rename to src/tavi/mainwindow.py
diff --git a/src/packagenamepy/packagename.py b/src/tavi/packagename.py
similarity index 100%
rename from src/packagenamepy/packagename.py
rename to src/tavi/packagename.py
diff --git a/src/tavi/scans.py b/src/tavi/scans.py
new file mode 100644
index 0000000..943f021
--- /dev/null
+++ b/src/tavi/scans.py
@@ -0,0 +1,39 @@
+import numpy as np
+
+
+class Scan(object):
+    """
+    Scan class
+    """
+
+    def __init__(self):
+        self.metadata = {}
+        self.data = {}
+
+    def get_metadata(self):
+        return self.metadata
+
+    def get_data(self):
+        return self.data
+
+    def plot_gen(
+        self,
+        x_str=None,
+        y_str=None,
+        xerr_str=None,
+        yerr_str=None,
+        norm_str=None,
+        norm_val=None,
+    ):
+        if x_str == None:
+            x_str = self.get_metadata()["def_x"]
+
+        if y_str == None:
+            y_str = self.get_metadata()["def_y"]
+
+        x = self.data[x_str]
+        y = self.data[y_str]
+        xerr = None
+        yerr = None
+
+        return x, y, xerr, yerr
diff --git a/src/packagenamepy/version.py b/src/tavi/version.py
similarity index 100%
rename from src/packagenamepy/version.py
rename to src/tavi/version.py
diff --git a/tests/test_scan.py b/tests/test_scan.py
new file mode 100644
index 0000000..5fa1977
--- /dev/null
+++ b/tests/test_scan.py
@@ -0,0 +1,23 @@
+import numpy as np
+from tavi.scans import Scan
+
+
+def test_get_metadata():
+    s1 = Scan()
+    s1.metadata = dict(IPTS=1234, exp=567, def_x="s1")
+    # print(s1)
+    # assert s1.metadata["def_x"] == "test"
+    md = s1.get_metadata()
+    assert md["def_x"] == "s1"
+
+
+def test_plot_gen():
+    s2 = Scan()
+    s2.metadata = dict(def_x="s1", def_y="detector")
+    s2.data = dict(s1=np.arange(0, 1, 0.2), detector=np.arange(100, 300, 40))
+    x, y, xerr, yerr = s2.plot_gen()
+    print(x)
+    assert np.allclose(x, np.arange(0, 1, 0.2))
+    # assert y == np.arange(100, 300, 40)
+    # assert xerr == 0
+    # assert yerr == 0
diff --git a/tests/test_version.py b/tests/test_version.py
index 5b09eca..e524661 100644
--- a/tests/test_version.py
+++ b/tests/test_version.py
@@ -1,5 +1,7 @@
-from packagenamepy import __version__
+from tavi import __version__
 
 
 def test_version():
+    print(__version__)
     assert __version__ == "unknown"
+    # assert __version__ == "0.0.1"