Simplify version reporting

scrapy/utils/versions.py

@@ -1,8 +1,10 @@
 import platform
 import sys
 
+import cryptography
 import cssselect
 import lxml.etree
+import OpenSSL
 import parsel
 import twisted
 import w3lib
@@ -13,15 +15,6 @@ import scrapy
 def scrapy_components_versions():
     lxml_version = ".".join(map(str, lxml.etree.LXML_VERSION))
     libxml2_version = ".".join(map(str, lxml.etree.LIBXML_VERSION))
-    try:
-        w3lib_version = w3lib.__version__
-    except AttributeError:
-        w3lib_version = "<1.14.3"
-    try:
-        import cryptography
-        cryptography_version = cryptography.__version__
-    except ImportError:
-        cryptography_version = "unknown"
 
     return [
         ("Scrapy", scrapy.__version__),
@@ -29,22 +22,17 @@ def scrapy_components_versions():
         ("libxml2", libxml2_version),
         ("cssselect", cssselect.__version__),
         ("parsel", parsel.__version__),
-        ("w3lib", w3lib_version),
+        ("w3lib", w3lib.__version__),
         ("Twisted", twisted.version.short()),
         ("Python", sys.version.replace("\n", "- ")),
         ("pyOpenSSL", _get_openssl_version()),
-        ("cryptography", cryptography_version),
+        ("cryptography", cryptography.__version__),
         ("Platform",  platform.platform()),
     ]
 
 
 def _get_openssl_version():
-    try:
-        import OpenSSL
-        openssl = OpenSSL.SSL.SSLeay_version(OpenSSL.SSL.SSLEAY_VERSION)\
-            .decode('ascii', errors='replace')
-    # pyOpenSSL 0.12 does not expose openssl version
-    except AttributeError:
-        openssl = 'Unknown OpenSSL version'
-
+    openssl = OpenSSL.SSL.SSLeay_version(
+        OpenSSL.SSL.SSLEAY_VERSION
+    ).decode('ascii', errors='replace')
     return '{} ({})'.format(OpenSSL.version.__version__, openssl)