DOC: Clean up unneeded type conversions

Author: agriyakhetarpal

doc/source/regression/wavelet.md

@@ -120,15 +120,12 @@ print(w.family_name)
 
 2. Decomposition ({attr}`~Wavelet.dec_len`) and reconstruction ({attr}`~.Wavelet.rec_len`) filter lengths:
 
-<!-- # int() is for normalizing longs and ints for doctest -->
-<!-- TODO: FIXME: note: might not be needed anymore -->
-
 ```{code-cell}
-int(w.dec_len)
+w.dec_len
 ```
 
 ```{code-cell}
-int(w.rec_len)
+w.rec_len
 ```
 
 3. Orthogonality ({attr}`~Wavelet.orthogonal`) and biorthogonality ({attr}`~Wavelet.biorthogonal`):

doc/source/regression/wp.md

@@ -36,15 +36,6 @@ kernelspec:
 
 +++
 
-<!-- not sure if this is needed anymore? -->
-
-```{code-cell}
----
-tags: [hide-input]
----
-from __future__ import print_function
-```
-
 # Wavelet Packets
 
 ## `import pywt` and construct a helper function

doc/source/regression/wp2d.md

@@ -40,10 +40,7 @@ kernelspec:
 
 ## Import pywt
 
-<!-- TODO: check if needed anymore -->
-
 ```{code-cell}
-from __future__ import print_function
 import pywt
 import numpy
 ```