removed some more issue

Author: mengaldo

README.md

@@ -66,11 +66,11 @@ It can be installed using `pip` or directly from the source code.
 Mac and Linux users can install pre-built binary packages using pip.
 To install the package just type: 
 ```bash
-> pip install pyspod
+    > pip install pyspod
 ```
 To uninstall the package:
 ```bash
-> pip uninstall pyspod
+    > pip uninstall pyspod
 ```
 
 ### Installing from source
@@ -254,7 +254,7 @@ Please, [contact me](mailto:[email protected]) if you used PySPOD for
 
 **PySPOD** is currently developed and mantained by
 
-  * [Gianmarco Mengaldo](mailto:[email protected]).
+    * [Gianmarco Mengaldo](mailto:[email protected]).
 
 Contact me by email for further information or questions about **PySPOD**, or suggest pull requests. 
 Contributions improving code and documentation, as well as suggestions about new features are more than welcome!

pyspod/postprocessing.py

@@ -1008,7 +1008,6 @@ def plot_mode_tracers(modes, freq_required, freq, coords_list, x=None, vars_idx=
 
 	# get width and height figure
 	wsize = figsize[0]
-	hsize = figsize[1]
 
 	# calculate period and time vector
 	n_points = 100

pyspod/spod_low_storage.py

@@ -8,7 +8,6 @@
 from tqdm import tqdm
 from numpy import linalg as la
 from scipy.fft import fft
-import warnings
 import psutil
 
 # binding to fftw with interfaces to scipy and numpy