Fix docs

Author: lsbardel

docs/examples/vol_surface_heston_calibration.py

@@ -6,7 +6,7 @@
 from quantflow.sp.heston import Heston
 
 # Load a saved volatility surface snapshot and build the surface
-with open("quantflow_tests/volsurface.json") as fp:
+with open("docs/examples/volsurface.json") as fp:
     surface: VolSurface = surface_from_inputs(VolSurfaceInputs(**json.load(fp)))
 
 surface.bs()

docs/examples/vol_surface_heston_plot.py

@@ -7,7 +7,7 @@
 from quantflow.sp.heston import Heston
 
 # Load a saved volatility surface snapshot and build the surface
-with open("quantflow_tests/volsurface.json") as fp:
+with open("docs/examples/volsurface.json") as fp:
     surface: VolSurface = surface_from_inputs(VolSurfaceInputs(**json.load(fp)))
 
 surface.bs()

docs/examples/vol_surface_hestonj_calibration.py

@@ -7,7 +7,7 @@
 from quantflow.utils.distributions import DoubleExponential
 
 # Load a saved volatility surface snapshot and build the surface
-with open("quantflow_tests/volsurface.json") as fp:
+with open("docs/examples/volsurface.json") as fp:
     surface: VolSurface = surface_from_inputs(VolSurfaceInputs(**json.load(fp)))
 
 surface.bs()

docs/examples/vol_surface_hestonj_plot.py

@@ -8,7 +8,7 @@
 from quantflow.utils.distributions import DoubleExponential
 
 # Load a saved volatility surface snapshot and build the surface
-with open("quantflow_tests/volsurface.json") as fp:
+with open("docs/examples/volsurface.json") as fp:
     surface: VolSurface = surface_from_inputs(VolSurfaceInputs(**json.load(fp)))
 
 surface.bs()

docs/examples/vol_surface_inputs.py

@@ -6,7 +6,7 @@
 from quantflow.options.surface import VolSurface, VolSurfaceInputs, surface_from_inputs
 
 # Load a saved volatility surface snapshot from JSON
-with open("quantflow_tests/volsurface.json") as fp:
+with open("docs/examples/volsurface.json") as fp:
     surface_inputs = VolSurfaceInputs(**json.load(fp))
 
 # Build the VolSurface from the inputs and calculate implied volatilities