chore: SPDX license header in py source files

src/pydartdiags/matplots/matplots.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 from pydartdiags.stats import stats
 import matplotlib.pyplot as plt
 

src/pydartdiags/obs_sequence/obs_sequence.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 import pandas as pd
 import datetime as dt
 import numpy as np

src/pydartdiags/plots/plots.py

@@ -1,4 +1,4 @@
-
+# SPDX-License-Identifier: Apache-2.0
 import numpy as np
 import plotly.express as px
 import plotly.graph_objects as go
@@ -12,7 +12,7 @@ def plot_rank_histogram(df, phase, ens_size):
     All histogram bars are initialized to be hidden and can be toggled visible in the plot's legend
     """
     fig = px.histogram(df, x=f"{phase}_rank", color='type', title='Histogram Colored by obs type', nbins=ens_size)
-    fig.update_xaxes(range=[1, ens_size+1])
+    fig.update_xaxes(range=[1 ens_size+1])
     for trace in fig.data:
         trace.visible = 'legendonly'
     fig.show()

src/pydartdiags/stats/stats.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 import pandas as pd
 import numpy as np
 from functools import wraps

tests/test_obs_sequence.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 import os
 import pytest
 import tempfile

tests/test_plots.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 import pytest
 from pydartdiags.plots import plots as plts
 

tests/test_stats.py

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: Apache-2.0
 import pandas as pd
 import numpy as np
 import pytest