Updating script/analyze.py to satisfy pep8 style guide and pass flake8 linting.

Used 'autopep8 --in-place --aggressive scripts/analyze.py' as initial style fixes.
Manually adjusted line lengths for parser help options.
Moved example comment to top below shebang.

scripts/analyze.py

@@ -1,3 +1,16 @@
+#!/usr/bin/env python3
+
+"""
+# Example calls
+python3 analyze.py --i 'example/XC558716 - Soundscape.mp3' \
+    --lat 35.4244 --lon -120.7463 --week 18
+
+python3 analyze.py --i 'example/XC563936 - Soundscape.mp3' \
+    --lat 47.6766 --lon -122.294 --week 11 \
+    --overlap 1.5 --min_conf 0.25 --sensitivity 1.25 \
+    --custom_list 'example/custom_species_list.txt'
+"""
+
 import argparse
 import socket
 
@@ -11,6 +24,7 @@ ADDR = (SERVER, PORT)
 client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 client.connect(ADDR)
 
+
 def send(msg):
     message = msg.encode(FORMAT)
     msg_length = len(message)
@@ -20,6 +34,7 @@ def send(msg):
     client.send(message)
     print(client.recv(2048).decode(FORMAT))
 
+
 def main():
 
     global INCLUDE_LIST
@@ -27,17 +42,62 @@ def main():
 
     # Parse passed arguments
     parser = argparse.ArgumentParser()
-    parser.add_argument('--i', help='Path to input file.')
+    parser.add_argument(
-    parser.add_argument('--o', default='result.csv', help='Path to output file. Defaults to result.csv.')
+        '--i',
-    parser.add_argument('--lat', type=float, default=-1, help='Recording location latitude. Set -1 to ignore.')
+        help='Path to input file.')
-    parser.add_argument('--lon', type=float, default=-1, help='Recording location longitude. Set -1 to ignore.')
+    parser.add_argument(
-    parser.add_argument('--week', type=int, default=-1, help='Week of the year when the recording was made. Values in [1, 48] (4 weeks per month). Set -1 to ignore.')
+        '--o',
-    parser.add_argument('--overlap', type=float, default=0.0, help='Overlap in seconds between extracted spectrograms. Values in [0.0, 2.9]. Defaults tp 0.0.')
+        default='result.csv',
-    parser.add_argument('--sensitivity', type=float, default=1.0, help='Detection sensitivity; Higher values result in higher sensitivity. Values in [0.5, 1.5]. Defaults to 1.0.')
+        help='Path to output file. Defaults to result.csv.')
-    parser.add_argument('--min_conf', type=float, default=0.1, help='Minimum confidence threshold. Values in [0.01, 0.99]. Defaults to 0.1.')   
+    parser.add_argument(
-    parser.add_argument('--include_list', default='null', help='Path to text file containing a list of included species. Not used if not provided.')
+        '--lat',
-    parser.add_argument('--exclude_list', default='null', help='Path to text file containing a list of excluded species. Not used if not provided.')
+        type=float,
-    parser.add_argument('--birdweather_id', default='99999', help='Private Station ID for BirdWeather.')    
+        default=-1,
+        help='Recording location latitude. Set -1 to ignore.')
+    parser.add_argument(
+        '--lon',
+        type=float,
+        default=-1,
+        help='Recording location longitude. Set -1 to ignore.')
+    parser.add_argument(
+        '--week',
+        type=int,
+        default=-1,
+        help='''Week of the year when the recording was made.
+                Values in [1, 48] (4 weeks per month). Set -1 to ignore.''')
+    parser.add_argument(
+        '--overlap',
+        type=float,
+        default=0.0,
+        help='''Overlap in seconds between extracted spectrograms.
+                Values in [0.0, 2.9]. Defaults tp 0.0.''')
+    parser.add_argument(
+        '--sensitivity',
+        type=float,
+        default=1.0,
+        help='''Detection sensitivity;
+                Higher values result in higher sensitivity.
+                Values in [0.5, 1.5]. Defaults to 1.0.''')
+    parser.add_argument(
+        '--min_conf',
+        type=float,
+        default=0.1,
+        help='''Minimum confidence threshold.
+                Values in [0.01, 0.99]. Defaults to 0.1.''')
+    parser.add_argument(
+        '--include_list',
+        default='null',
+        help='''Path to text file containing a list of included species.
+                Not used if not provided.''')
+    parser.add_argument(
+        '--exclude_list',
+        default='null',
+        help='''Path to text file containing a list of excluded species.
+                Not used if not provided.''')
+    parser.add_argument(
+        '--birdweather_id',
+        default='99999',
+        help='Private Station ID for BirdWeather.')
 
     args = parser.parse_args()
 
@@ -73,10 +133,6 @@ def main():
 ###############################################################################
 ###############################################################################
 
+
 if __name__ == '__main__':
-
     main()
-
-    # Example calls
-    # python3 analyze.py --i 'example/XC558716 - Soundscape.mp3' --lat 35.4244 --lon -120.7463 --week 18
-    # python3 analyze.py --i 'example/XC563936 - Soundscape.mp3' --lat 47.6766 --lon -122.294 --week 11 --overlap 1.5 --min_conf 0.25 --sensitivity 1.25 --custom_list 'example/custom_species_list.txt'